The Allies gained control of the Atlantic Ocean by learning from the past and improving technology, strategies, weapons. Allies started to build large number of ships. Also people sacrificed themselves to take supplies from Canada and US to the UK. Allies developed anti-submarines weapons. Also a special group of destroyers were developed in order to set the location of U-boats.
The Harlem Renaissance is also called the "Black Literary Renaissance", '"The New Negro Movement" and "The flowering of Negro literature". ... They wanted to celebrate the fact that their African culture had survived through the terrible years of slavery, and was being "reborn".
Answer:
It's the separation of powers.
