Despite the popularity of resuming the civil war among nationalistic southerners, the parliament has passed a series of laws that resolve most of the nationality problems that anger so many northerners. The civil war began in the 1990s, as southerners, resentful of migrants moving into northern Ivory Coast to supply workers for the booming cocoa industry, tried to restrict who could be come a citizen (and participate in politics, either by running for office or voting.)