Some one help me in history

what did the 15 amendment do for the former slaves
a end slavery in the United States
b outlawed discrimination of voting rights
c made all former slaves citizens

“i now wished for the last friend,death, to relieve me.” what is equiano referring to?

Discuss the rise and fall of westernization in japan.

Why was the u.s. annexation of hawaii delayed until william mckinley became president? a: the rebels who overthrew queen liliuokalani opposed u.s. annexation. b: the senate did not approve the treaty of annexation until mckinley entered the white house. c: supporters of the nationalist cause were in the majority in hawaii until 1898. d: mckinley’s predecessor, grover cleveland, refused to sign the treaty of annexation.