Why did slavery continue after the revolution?

From this passage, it is clear that president jackson believes the second bank of the united states

Human rights groups in the 20th century worked to: o a. european imperial powers maintain control over their colonies. o b. convince citizens in impoverished countries to embrace nationalism. o o o o c. ensure that people around the world were protected from brutal treatment. o d. weaken the influence of international organizations like the united nations. sub

Due to the red scare, immigrants from these two regions of europe's were strongly opposed by many americans