B I think this is that answer
If an important resource, such as oil, becomes unavailable, the production possibilities curve a. shift inwards.
"The production possibility frontier (PPF) is a curve on a graph that depicts the possible amount that can be produced or made of two products, if both are based upon the same limited resource for their creation. The Production Possibility Frontier is also termed as the production possibility curve. If it shifts inwards, it means the economy is shrinking due to a collapse in issuing resources and production capacity."
"The production possibility curve (PPC )is necessary because it helps in indicating the maximum possible production of items , in fixed resources. In macroeconomics, economists study and support a country or other organization's economic activity with its help."
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If this is a true or false question, than it is true.
Because the only way (back then) to process and make sugar farms was through manual labor. Since the Americans didn't want to put effort onto their own sugar farms, Africans were forced to do the labor part for them.
