Answer: minimum wage and maximum work hours
Explanation: Gradpoint
The main argument in favor or slavery as an institution during this time in the US was that black people could not take care of themselves and that they would fall into chaos if allowed to go free. Another argument was that many were already enslaved in Africa and were living better lives in the US.
Based on what I've researched the Freedman's Bureau helped African Americans A) Establish schools and settle disputes after the War since they were newly freed people. It was soon shut down due to no funds or personnel. So the answer is A.
International trade enables specialization, which brings increased efficiency and greater competition to spur the market.
This happens because Specialization would make each nation to focus on producing certain type of products in which they would gain a competitive advantage towards other (either because they had the necessary materials sources or labor qualities) and would create better and cheaper product in the market.
