What were some of the results ( positive and negative) of portuguese explorations in the late 1400's?

Which statement best summarizes the process of the abolition of slavery in the united states? o a slave owners agreed to limit and ultimately abolish slavery to prevent a slave rebellion similar to the haitian revolution o b. the united states did not abolish slavery until after many latin american countries did because it faced opposition from powerful slaveholders o c. the abolition movement in the united states used a series of legal challenges to successfully outlaw slavery. d. the abolition movement used nonviolent tactics to eventually convince the u.s. government to abolish slavery.

What was the main argument of plessy in plessy v. ferguson

(can someone . has to be turned in 1) - explain one similarity between the federal, state, and local governments. ( question 2)- explain one difference between the federal, state, and local governments. ( question 3)- explain one similarity between the federal executive branch and the state executive branch. ( question 4) - explain one difference between the federal executive branch and the state executive branch. (question 5) - explain one similarity between the federal legislative branch and the state legislative branch. ( question 6) - explain one difference between the federal legislative branch and the state legislative branch. ( question 7) - explain one similarity between the federal judicial branch and the state judicial branch. ( question 8) - explain one difference between the federal judicial branch and the state judicial branch.