Which US politician was a supporter of slavery and believed that "slavery would help the US expand West" and develop as a country?

Which factors are examples of how technology may have affected the great migration apex

True or false: the eastern roman empire lasted for 1,000 years longer than the western roman empire.

Which statements are true about "evidence"? )observations which answer questions )proof that an idea is true )information for or against an idea )data to draw a conclusion