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The Great Migration was the relocation of more than 6 million African Americans from the rural South to the cities of the North, Midwest and West from about 1916 to 1970. Driven from their homes by unsatisfactory economic opportunities and harsh segregationist laws, many blacks headed north, where they took advantage of the need for industrial workers that arose during the First World War.
Explanation:
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The Sierra Club was established as an advocate for conservation movement.
<span>The border security policy has been revised to try and prevent the drug transport into the country by those of other countries or people that visit other countries. This is called the national southwest border counternarcotics strategy. This also is supposed to reduce the smuggling of weapons and currency and reduce violence.</span>
The prime minister of Ghana was the head of government of Ghana from 1957 to 1960 and again from 1969 to 1972. Wikipedia
First holder: Kwame Nkrumah
Abolished: 13 January 1972
Final holder: Kofi Abrefa Busia