Out of the choices given, the event that most directly resulted in expanded protections for the Civil Rights of African Americans in the South was the election of Ulysses S. Grant in 1868. The correct answer is A.
According to the production possibilities curve PPC, points A, B, and C on the PPC curve shows the most efficient use of resources by the economy.
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What do you mean by Production Possibilities Curve?</h3>
The Production Possibilities Curve (PPC) is regarded as model that takes scarcity and the opportunity costs of choices when faced with the possibility of producing two goods or services.
The points on the interior of the PPC are inefficient, the points on the PPC are efficient, and and the points beyond the PPC are unattainable.
Conclusively, The production possibilities curves show efficiency, growth, cost and also the productive capacity of an economy.
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The answer to that question is A
Its C. standards on which to base your decisions because it is the standards by which something may be judged
<span>The railroads had to pass through mountains and rivers.</span>