The ___________ of multiculturalism, in times of war or economic ____________ tribalism is what causes those in power to confine groups of people with different _________ into ghettos or in communes on the margins of their cities.

Option A implies that the rise of multiculturalism causes groups with different values or identities to form ghettos or restrict themselves to outside influence, which is contradictory to what multiculturalism is about. Option B is incorrect for the same reason. Option C uses 'persuasions', which is wrong usage.

Option C is the correct answer. The opposite of multiculturalism, in times of war or economic distress, tribalism is what causes those in power to confine groups of people with different ethnicities into ghettos or in communes on the margins of their cities.

This defines soundly that under tribalism, which is the opposite of multiculturalism, those who are in power confine groups that consist of people of different ethnicities to ghettos or communes on the margins of their cities.