One of the main occupations of North Americans is warehouse workers. There are also a lot of retail workers in North America.
main occupations of adivasis
The main intent of the Mexican Repatriation Act was to forcibly remove Mexican immigrants and Mexican Americans from the United States during the Great Depression in the 1930s. The government believed that by deporting Mexican individuals, it would free up job opportunities for American citizens and reduce competition for resources.
eskimos
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Horses, wagons and trains
i do not know
Gold mining.
The Gold Rush.
They were mostley farmers!! :P
farming and rice farming
Urbanization in the 1850s lead to the main place for high crime, pollution and junk.