What were the consequences for slave trade in the Americas?

How did black slave owners treat their slaves? Why was Lincoln so strongly opposed to secession of the southern state that he was willing to fight to war over it? How did the Lewis and Clark expedition effect America? What is a sentence with the words Reconstruction and black codes about the South after the Civil War? What was the body count in the US Civil War? What is the value of a 1957 C US 1 dollar silver certificate? Why were people poor during the civil war? How does McKay think the African Americans should express themselves? How did Malcolm X use descriptions of slavery his speeches? What were the committees of correspondence? How did king george 3 react to the olive branch petition? Who believed high tariffs raised the prices of manufactured goods? What is the value of an 1885 US Morgan silver dollar with pictures? Who were the 4 land owners to purchase land through the Yazoo land act of 1795? What is a 1973 Kennedy-Lincoln penny worth? Who were people that were in the south who wanted to withdraw from the union? Why did people come to the us in the past? The oldest human remains in the Americas have been found? What is was the first African American elected as president? What country was an ally to the US' ally during the American Revolution?