Answer:
Cities and urban centers formed around factories as people migrated there for jobs
Explanation:
People continued migrating to the US, children didn't have to win the right to work, and the food supply did not decrease.
Roosevelt wanted to gain more power with more supreme court judges on his side that he chose.
The collapse of the Silk Road gave a boost to Indian ocean trade.
The best mood to describe the world when the cold war has ended is optimistic.
Optimistic for a new future without war, to live free, make decisions and see the world.
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