As is known by history buffs and most people, the Japanese were a very honorable civilization. They worked hard to win, and when all else failed, they committed suicide. Not the type of suicide you think, no, they would "Kamikaze." This meant that all else had failed. It included the individual taking his/her life to try one last time to kill the enemy.
I have a well-known example for you. During some major ocean operations, the Japanese would fill their planes with bombs and then dive into the ships. This was a trend with the Japanese, and the soldiers would do almost the same.
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B. It is B because A growing fear of immigrants and Catholics
It would be the Pure food and Drug Act. The main purpose of the Pure Food and Drug Act of 1906 was to ban foreign and interstate traffic in adulterated or mislabeled food and drug products, it led to the creation of the Food and Drug Administration (FDA). The Dawes Act of 1887 authorized the President of the United States to survey American Indian tribal land and divide it into allotments for individual Indians. Those who accepted allotments and lived separately from the tribe would be granted United States citizenship. There is no such thing as The Federal Medication Act or the Federal Drug Administration.
I would say A. It would be difficult to find workers for jobs that people didn't desire. Like how minorities pick produce nowadays and you don't hear of white people picking produce.
The Louisianan purchase costed 15 million dollars<span />