Yolanda is assigned to write a research paper comparing the state of the nation during World War II to the state of the nation during the Civil War. Which of the following would make the best thesis for Yolanda's paper? A. The Civil War and World War II demonstrate that a nation can endure and thrive despite a war's destructive nature. B. During times of war, not only does the American nation suffer as a whole, but other nations also go through trials. C. War is an important part of history, and there are many wars that Americans were participants in throughout history. D. The Civil War was a war fought in the United States because of slavery, and World War II was a global military conflict.