Japanese migrants which eventually led to the issue that people thought there were too many coming and got mad.
The British won the French and Indian war, but it has exhausted their resources and money. They were in debt. In an attemp to get rid of this debt, they greatly increased taxes on American colonies for things like stamps, tea, and many other British imports. This was a big reason why the American colonists decided to rebel.
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Because in the south there was more segregation. Also there was more land that had been untouched in the north. The property was also cheaper because of that reason. And since it was untouched a lot of businesses came in to drill for oil and other natural resources, which created the need for workers.
What dog tho if you dont add the dog i cant help you