Which of these countries was spilt into four parts immediately after world war 2

A Divided Germany. After the Potsdam conference, Germany was divided into four occupied zones: Great Britain in the northwest, France in the southwest, the United States in the south and the Soviet Union in the east. Berlin, the capital city situated in Soviet territory, was also divided into four occupied zones.

a. by accepting the election of president abraham lincoln in 1860 and convincing other southern states to do the same