The Brain Trust.
They were a core group of advisors that helped FDR enact fifteen major laws in their first "hundred days" in office.
The South became more dependent on slavery, deepening the differences between the South and the North
Based on documentation,
The only 2 African countries that were able to keep their freedom from European imperialism were;
B: Ethiopia and Liberia.
Ethiopia is currently the worlds oldest independent country and Liberia was founded to support the U.S. in relation to slavery in 1821.
I hope this has aided you and is sufficient.
Cheers! <span />