What factor influenced african americans to migrate from the south to northern cities

The massive stream of European emigration to the United States, which had begun in the late 19th century and waned during World War I, slowed to a trickle with immigration reform in the 1920s. As a result, urban industries were faced with labour shortages. A huge internal population shift among African Americans addressed these shortfalls, particularly during the World Wars, when defense industries required more unskilled labour. Although the Great Migration slowed during the Great Depression, it surged again after World War II, when rates of migration were high for several decades.

a big wall across the mexican border so no drugs, terrorist, or illegal immigrants can come through : )    

"the sepoy rebellion was the result of many, many influences and stressors on the cultures of india living under british rule. in britain, it's called the sepoy mutiny on the indian mutiny, but in india, it's called the first war of independence.

the main reason is concerned to the british paramountcy , the belief in british   dominance in india political, economic and cultural life had been introduced in india about 1820."

"they were forced to grow crops that benefited the colonizing nations instead of feeding their own people."

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