Understanding what motivates foreign fighters to go and fight in war zones and analysing their social environment offers a basis for preventing them from going.

Ideology and Actions

English The purpose of this research is to identify and examine the challenges faced by African States in the field of foreign investment with a view to contribute not only to the academic debate, but also to foster awareness and develop the capacities of these States with regard to the drafting, negotiation…

European countries struggling how to deal with the issue of returning foreign fighters, women and children from the Caliphate.

Chemotherapy that does nothing until you irradiate it with light. Sylvestre Bonnet receives a Vici grant of 1.5 million euros for the development of this treatment. The Leiden chemist wants to build a new molecule to fight tumours that are at the time still difficult to treat.

Which circumstances have determined the transition to, or the dominance of, a particular type of military employment in different societies at different times?

Jeanine de Roy van Zuijdewijn, Chelsea Daymon and David Malet, wrote RESOLVE Network Research Report that examines career foreign fighters who have traversed from one insurgency to another.

The authors delve into the varying degrees to which institutions across different nations connect foreign events to their respective country's domestic affairs.

The proposed research program studies the impact of private foreign investment on development in Indonesia during the years c. 1910-1960.

In this article Fisher, Klein & Codjo introduce the FOCUSdate Project and they show how the sentiment data provide unique abilities to analyze Russia's and Iran's reactions to US policies and events and NGO human rights campaigns.

This book underscores the interplay between religion and politics (local and global) in the production, escalation, management, mitigation, and resolution of conflict.

How do crises produce changes in specific European Union foreign policy areas, and how should we conceptualise these policy changes?

The aim of this PhD dissertation project is to study the effect of private foreign investment outside the realm of economics in the context of a colonial structure in Indonesia between c. 1910 and c. 1960.

Fake news is becoming more and more prominent now that social media allow for an endless stream of unfiltered content to reach us. But what happens if we can no longer distinguish the truth from the lie?

This paper develops a novel theoretical framework for the conduct of postmortems after major foreign policy surprises for the European Union and its member states.

An exploratory study on the role of family members of those who joined jihadist groups

The NWO-funded Vidi project “American foreign policy and liberalism” challenges the idea that the United States has created and sustained a “liberal international order” since World War II. It instead explores the ways in which illiberal ideologies – such as those underpinning racial hierarchy at home…

This paper aims to understand the most common underlying problems causing strategic surprise in the context of the European Union.

This PhD project studies immigrant groups in ancient Babylonia and aims at investigating their identities, socioeconomic status, and integration into an ancient multicultural society.

How is Indian foreign policy made? This special issue of the journal India Review, edited by political scientists Nicolas Blarel (Leiden University) and Avinash Paliwal (SOAS University of London) features a number of interesting case studies that bridge the gap between Foreign Policy Analysis and India’s…

EUMOTIONS explores the role of emotions expressed by political elites (at EU- and member state-level) in framing the EU’s policy options during international crises.

What is the most effective way to eliminate tumour cells? The DNA repair mechanism could play an important role in increasing the effectiveness of chemotherapy in the fight against cancerous cells. If we are to influence this mechanism, we need fundamental knowledge about how the mechanism works.

This book is the first comparative study of estimative intelligence and strategic surprise in a European context, complementing and testing insights from previous studies centred on the United States. It does extensive empirical analysis of open-source material and interviews in relation to three cases…

Op 17 November 2020, Shuai Guo defended his thesis 'Recognition of Foreign Bank Resolution Actions'. The doctoral research was supervised by Prof. R.D. Vriesendorp and Prof. M. Haentjens.

From Sunday 23 June till Wednesday 3 July 2024, NVIC organizes a new edition of the TAFL course. This intensive, interactive course is developed for (future) teachers of Arabic. It addresses both the practical aspects of teaching Arabic as a foreign language as well as the underlying linguistic and…

The aim of this PhD dissertation is to explore the link between foreign investment and macroeconomic performance in the context of a colonial economic structure in Indonesia between c. 1910 and c. 1960.

New drugs for use as tuberculosis (TB) treatment are needed due to the constrains of classical antibiotics against TB and the rise of antibiotic-resistant strains, making TB a harder and harder disease to treat.

EU foreign policy has become increasingly politicised over the past years, amongst others as a consequence of the succession of crises. Crises may engender processes of crisis framing and contestation. This article focuses on how the policy demands being voiced in these processes of contestation are…

Some conflicts involve many Muslims as foreign fighters; other conflicts attract only relatively few combatants from abroad. Isabele Duvesteyn and Bram Peeters

The CNaVT exam is the official, international exam of Dutch as a Foreign Language for all who learn Dutch all over the world. The Catholic University of Leuven organizes the exam. The Dutch Language Union has commissioned this collaboration.

Research has shown that the impact of feedback can be very powerful on second language acquisition. However, how to provide adaptive feedback on speaking skills in foreign languages and how to provide differentiated support in secondary schools in regular secondary schools classes of often 25-30 students?…

This dissertation reports on the requirements for the design and development of teacher assessments, and examines the possibility of developing an assessment procedure that complies with the formulated requirements.

The policies relating to language pursued by European monarchies and states have been widely studied, but far less attention has been given to their linguistic and cultural policies in territories outside their own borders.

The project focusses on how US views of the Chinese diaspora in Southeast Asia influenced its strategic interpretations of the region. Being eleven million strong, dispersed across the region and sharing ethnic ties with Communist China, interpretations of the diaspora intersected with key Cold War…

Both Europe and Latin America face challenges globally and at home. Conflicts over land and resources have been resurgent in recent years.

Political Scientist Valentina Carraro (Leiden University) devises a framework to assess the degree to which United Nations human rights bodies provide duplicating or contradicting recommendations to states. Focusing on the case of torture, she creates an original database of recommendations delivered…

This article devises a framework to assess the degree to which human rights bodies provide duplicating or contradicting recommendations to States. Focusing on the case of torture, it creates an original database of recommendations delivered to 14 countries in the years 2012–2016. Results show that duplications…

Does foreign aid promote human rights?

The recent terrorist attacks in Europe are presumably not just acts committed by individuals, but acts facilitated by larger jihadist networks. But how do such networks operate? Understanding their modus operandi can be useful knowledge to counter terrorist threats.

The Hague Program for Cyber Norms, a research program at the Institute of Security and Global Affairs, published its first policy brief, in which Dennis Broeders, Sergei Boeke and Ilina Georgieva explore the role of intelligence agencies in cyberspace and the (im)possibilities of oversight and regulation…

On 3 December 2019, Hanna Bosdriesz defended her thesis 'Furthering the fight against impunity in Latin America: the contributions of the Inter-American Court of Human Rights to domestic accountability processes'. The doctoral research was supervised by Prof. L.J. van den Herik and Prof. M.A.H. van…

This project will establish how and why Dutch entrepreneurs participated in exploiting the English, French and Iberian empires.

How do European Muslim men and women become involved in a violent jihadist struggle abroad?

European countries struggling how to deal with the issue of returning foreign fighters, women and children from the Caliphate

How did “free agents” (entrepreneurs operating outside of the myriad of interests of the centralized, state-sponsored monopolies) in Western Europe and the Ottoman Empire react to the creation of colonial monopolies (royal monopolies and chartered companies) by the central states in the Early Modern…

This study investigates the perception and production of emotional prosody by native and non-native listeners and speakers, i.e. Chinese and Dutch listeners and speakers, including Dutch L2 learners of Chinese.

On Monday 28 March, Salina Ben Ali visited our University to tell her emotional story. She told about how her 19 year old son was recruited by IS, left for Syria and died there 'as a martyr'.