What was the "final solution"? Group of answer choices : (a) Japan's plan to attack Pearl Harbor. (b) Joseph Stalin's plan to spread communism throughout the world. (c) Adolf Hitler's plan to mass-exterminate "undesirable" peoples. (d) The Allied operation for D-Day. (e) The United States' plan for the atomic bombs to be dropped on Japan.

The correct answer is (c).

Explanation:

Adolf Hitler was the dictator of Nazi Germany between 1933 and 1945. His regime was based on the ideology of Nazism, which openly espoused that there was a hierarchy of races. At the top, Germans and other Aryan people were deemed the "master race", while those at the bottom were considered "subhumans". This category included Jews, Slavs and Roma peoples. They were considered undesirable and dangerous to the Aryan race. For this end, the Nazi authorities crafted what was officially known as "The Final Solution", which was the codename of the plan to mass-exterminate all those considered undesirable people. This policy entailed a series of measures such as the creation of ghettos, executions, medical experiments, mass murders, and especially, exterminations camps spread across occupied Europe. Six million Jews and many more millions of Slavs and Roma people were exterminated as part of the "The Final Solution".