A) is the correct answer, as many slaves were brought over from Africa due to being able to stand the southern heat for a long amount of time and being better built for farming. B) isn't wrong, but there were less indentured servants than slaves, and white people did worse in the sun. C) also isn't wrong, but many who tried using Caribbean slaves found that it was a lot worse than using African Americans, because the Native Americans weren't as built for manual labor. D) is wrong because the wages for plantation workers weren't high, if they were even paid at all.
The correct answer is that the Treaty of Torcdesilias divided the land outside of Europe between Spain and Portugal. The effect of this is that much of the New World was, by Treaty, Spain's land.
The U.S. government introduced rationing mostly in order to <span>make sure war industries had the resources they needed</span>. The answer to your question is A. I hope that this is the answer that you were looking for and it has helped you.
