Answer: a. The War Production Board helped factories quickly shift from only making consumer goods to making war materials.
Explanation:
A key part of the U.S. being able to join the Second World War and contribute so effectively in the time that it did, was the War Production Board's efficiency in shifting American consumer production to war materials for use by the U.S. military and the Allies.
Thanks to the Board, companies shifted their focus from consumer goods even though there was initially some massive pushback. Following a national campaign, opposition subsided and the U.S. was able to pump out so much war material that the war would not have been won without.
Answer: Austria blamed Serbia, which then looked to Russia for support. Germany declared war on Russia in support of Austria and on France because of her alliance with Russia.
Explanation: Why did austria refuse military support to russia
I think more people voted in favor of Roosevelt, because he felt the government should be spending time to help people who were in economic trouble. More people at that time blamed Hoover for the Great Depression crisis.
The answer to your question is d