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.
The letter D is why it started
Answer:
Italy attacked Great Britain's forces in North Africa
Explanation:
The Treaty of Tordesillas awarded Portugal African territories and present-day Brazil, whereas Spain was awarded the rest of the Americas, which greatly improved Spain's power and trade capabilities. It accurately describes the impact of the Treaty of Tordesillas on trade.