The answer is<u> "B) 3".</u>
The Union triumph in the Civil War in 1865 may have given about 4 million slaves their freedom, yet the way toward revamping the South amid the Reconstruction time frame (1865-1877) presented another arrangement of critical difficulties.
In 1877, Hayes pulled back the last elected troops from the south, and the knife upheld Republican governments crumbled, accordingly finishing Reconstruction.
This is called the <span>testing effect
</span><span>testing effect finnds that our capability to store long-term memory increase if we devote a specific time solely to remember those memory
(during the process of creating flash cards and quizez, he stores a lot of memories into his brain)</span>
I don’t think I know this one I’m sorry
The only one that i could find was in japan since the majority of rulers are presidents or call themselves that.