<span>lincoln's main goal at the beginning of the civil war was </span>superior military leadership
It was the Truman Doctrine.
The Iron Curtain was the metaphorical barrier that seemed to split the Eastern Bloc from Western Europe. It was first mentioned by Churchill. The Berlin Wall was the physical embodiment of this "Curtain" that was constructed by the USSR to prevent Eastern Europeans from migrating. The Marshall Plan sent $13 billion to European nations to help them rebuild after WWII. The Truman Doctrine was specifically put in place to contain communism by aiding nations that were "at risk" so they would not turn to communism to solve their problems.
One only true statement regarding the Compromise of 1850 (which was actually a batch of five different bills) that is true would be that "<span>A. the slave trade was abolished in the district of Columbia," since this was a crucial northern provision. It should be noted, however, that slavery itself in this region was not completely ended. </span>