<span>A. tensions in the Cold War</span>
1.) -Too much food without anyone to buy it
-Wealth is distributed unevenly
-Easy credit-everyone can get it and cant pay it back
-Stock market crash
2.)It was based on Protectionism, Hoover's response to the Great Depression was the Smoot-Hawley tariff which rose tariffs on over 20,000 products. This measure led to retaliation from foreign countries especially from Europe and they rose their own tariffs on their American imports, the American economy was hit back and it explains why Hoover's policy failed.
The answer to ur question is c.
Answer:
They established the scientific method
Explanation:
The scientific method is an empirical method of acquiring knowledge that has characterized the development of science since, and it is still used today.