<span>The question is asking us why Indigenous peoples in the Americas had never eaten pork or beef before contact with European explorers. The answer is that
B. Cattle and pigs were found only in Europe - before, Americans ate big rodents for example, which were found on this continents, but pigs and cows were not originally living in America, so they could only be kept after they were brought from Europe.</span>
Zachary Taylor is the one your looking for.
<span>Americans, remembering the tragic consequences of World War I, and also fueled by the effect of the Great Depression, contributed in pushing the American public towards isolationism.</span>