If the communist and capitalist countries were so different, why had they worked together in WW2?

After the war, the Allies rescinded Japanese pre-war annexations such as Manchuria, and Korea became independent. The Philippines and Guam were returned to the United States. Burma, Malaya, and Singapore were returned to Britain and French Indo-China back to France.

Explanation:

abraham lincoln, according to anyone who was connected with agriculture, represented the worst of northern politicians. shortly after lincoln was elected, south carolina seceded from the union. they along with other southern states, retained their anger. in a way, it was their own fault: the democrats were split in the south. some wanted slavery to be extended in other states that were about to join the union and some didn't want it badly enough. lincoln had a solid backing from his party: the republicans were united in not wanting slavery to be expanded.

congress also has implied powers, which derive from the necessary and proper clause of the constitution and permit congress "to make all laws which shall be necessary and proper for carrying into execution the foregoing powers, and all other powers vested by this constitution in the government of the united states.