People in the south used slaves because their economy was focussed on things like cash crops (tobacco, cotton, etc.) These crops required a lot of work so farmers and plantation owners could not do it by themselves. So by using enslave persons they could harvest more crops, sell more, make more money, and in return boost the southern economy.
It would be a or d because it was during in the byzantine time
Answer:
sign a separate peace treaty with East Germany, permanently dividing Germany
Answer: The law allowed no more immigration from European nations.
Explanation: The Immigration and Naturalization Act of 1965 abolished a prior quota system dependent on national origin and built up another movement strategy dependent on rejoining migrant families and pulling in skilled labor to the United States.
Throughout the following four decades, the policies put into impact in 1965 would enormously change the demographic makeup of the American populace, as settlers entering the United States under the new enactment came progressively from nations like Asia, Africa and Latin America, rather than Europe.