Refugee Crisis in Europe: Threat to the EU unity and integrity. The refugee crisis is an imminent threat to Europe, and the major reasons behind this are the political and economic instability in Africa, the Middle East and in some countries of South Asia. Ongoing political reform and western military intervention have created social unrest. Terrorism has engulfed the region. Unemployment is increasing aggressively at an unprecedented rate. Economic infrastructure has been destroyed. People in the search of better livelihood cross the …