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.
Answer:
a
Explanation:hopeit helped
It is defined as the killing of a ethnic, religious or social group of people which is considered to be against the law and it's violation toward civil rights
