What defined the development of the institution of slavery in American Civilization, 1619-1863? How did the institution of slavery and the ideology of the American Revolution intersect during these years?

Why did the federal government choose to give each tribal member a 25-year deed to the reservation land? this was the life expectancy of native americans at this time, and the government wished to grant rights for only a single generation. they considered this to be enough time to keep the area calm before they could take the land back again for sale. the united states government believed that the nutrients from the land would be depleted by the end of the deed. the government believed this would be enough time for the tribal members to become self-reliant and adapt to the farming lifestyle.

How did political revolutions in the atlantic ocean basin affect or alter the institution of slavery and the lives of slaves

How does the power of the supreme court act as a check on the other branches of government