Answer:
A.
Explanation:
Nazis were Aryan Supremacists.
The answer to the question is C.
To help get Americans through the Great Depression by creating public works projects for the unemployed.
The world population during the Paleolithic Era was under 10 Million ( so the first answer is the best), It achieved the next option ( I assume that the option 2 is actually 350 000 000, so that it´s in an increasig order) only in our time (common era, when the time was no longer BCE).