Answer: A. The exportion of crops.
Explanation: The Southern states had an agricultural economy and this was why they relied so heavily on enslaved labor. They exported what are called cash crops, such as cotton.
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This one I think is D, rule of law but not 100% certain. Comment after so others will know if correct or not.
The extent to which environmental factors drove new patterns of migration in the 1750 to 1900 time period was very high and pronounced.
<h3>What is Migration?</h3>
This is the process which involves the movement of people from one place to another to settle down at a new location.
Migration was high in places which had more food, favorable temperature and very little parasites which was why people move to developed countries were on the rise as their chances of survival is high.
Read more about Migration here brainly.com/question/1213023
Answer: The "North Atlantic Treaty Organization" ( " NATO " ) .& SEATO.
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