Why did Congress refuse to accept the southern states back into the Union?​

Read this list: a. it was established by president barack obama. b. it makes it easier for all americans to access health care. c. it was part of the great society. d. it was part of the new deal. e. it provided a guaranteed income to poor americans. which options are characteristics of the affordable care act?

How did european exploration and expansion cause the african slave trade to expand? a. european explorers discovered the slave trade and expanded it across the indian ocean into south asia. b. arab armies captured european explorers and forced them into slavery. c. european traders shipped enslaved africans to work on plantations in european colonies in the americas. d.european explorers captured african people and forced them to work on their ships.

Why would employers want there to be large numbers of unemployed workers around?