<span>It is thought to have been the reason why Polk won the election over Clay. Polk was a slave owner and was in favor of annexing Texas which was a slave state already, thus growing the slavery movement. Clay was initially against annexing Texas when Van Buren was initially running against him. When Polk ended up winning the nomination for the Democratic party over Van Buren, Clay then changed his mind on the topic of the annexation to support it, as Polk had. This made him appear wishy-washy and led to be Polk becoming President.</span>
Jiaguwen, or Oracle Bone Script
During World War II, the United State had a strong battle against Japan because of early attacks like Pearl Harbor. In the last year of the war, the US found a way to deciphered code messages from Japan. Thanks for the cryptographers that the US had, they were able to decipher around 90,000 words regarding their plans.
Thanks to this, the US was able to know Japanese plans and defend themselves for any Japanese attack before they could even strike.
Answer:
industrialization caused people to move to the cities?