Answer:
Because more than 15 million people in America didn't have jobs and used to.
I would say (b).
I would say this because both canals aloud for a shorter shipping route between major oceans. A perfect example of this would be the atantic and pacific instead of going around south america they could cut through the middle
Answer:
add the picture so we can see the descriptions
Explanation:
I think the author is Niccolo Machiavelli.
It was one of the reasons the US joined the war. With that, the Germans and Central Power started to lose (they had no chances after the sinking and the Zimmermann telegram)