 Amin backed down after the Kenyan army deployed troops and armoured personnel carriers along the Kenya–Uganda border.In 1977 a split in the Uganda Army developed between supporters of Amin and soldiers loyal to the Ugandan Vice-President, General Mustafa Adrisi, who held significant power in the government and wanted to purge foreigners, particularly Sudanese, from the military.By 1978, the number of Amin's supporters and close associates had shrunk significantly, and he faced increasing dissent from the populace within Uganda as the economy and infrastructure collapsed as a result of the years of neglect and abuse.