Problem: In 1989, the Arab-dominated government in Mauritania "denationalized" an estimated 75,000 black Mauritanians as part of broader discriminatory policies and land disputes, informed by ideas of pan-Arabism. With the stripping of nationality the black Mauritanians were left stateless. A significant number were deported across the borders into Senegal and Mali, where they subsequently lived for years as refugees. According to the Norwegian Refugee Council Report, this is an example of displacement caused by: Need Assignment Help? Group of answer choices Economic distress Collective Expulsion Climate induced migration State collapse