<span>Nearly all colonies and, later, states in the United States were settled by migration from another colony or state, as foreign immigration usually only played a minor role after the initial settlements were started. Many new immigrants did end up on the frontiers as that was where the land was usually the cheapest.
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overcrowding, poor sanitation, spread of diseases, and pollution
Answer:
The bombing of an African American Baptist church in Birmingham, Alabama, on September 15th, 1963, by the Klu Klux Klan.
Explanation:
