Answer:
hey Jayamashi may God help you in this question sorry I also became confused
The statement which best describes John C. Calhoun is a) a two-time vice president who supported slavery and states' rights. He also brought about nullification into American government and was a big supporter of limited government. He was the seventh vice president and being from the south supported the secession of the southern states from the Union.
The Yalta Conference was the important conference in which the leaders of the Big Three, which were the 3 Allied Powers of WWII, met in February 1945 to discuss plans for the end of World War II and the future of the world.
The Battle of Gettysburg was a major victory because it eliminated over 65,000 confederate soldiers. It was the bloodiest battle in the civil war.