What was the name for buying and selling of Africans for slaves in Americas?

What did the marshall plan do ? apex a.send aid to countries in europe b.sent atomic weapons to asia c.sent more ships to the pacific d.sent aid to the soviet union answer ; is a

Describe the views of the federalists. how did they feel about ratifying the constitution.

What were some of the ideas that the democratic party emphasized that allowed them to appeal to most white voters?