The second last sentence of the first paragraph is the key message conveying Lincoln's view that war was forced for the protection of the nation.
"<span>Both parties deprecated war; but one of them would make war rather than let the nation survive; and the other would accept war rather than let it perish."</span>
<span>Arab traders took over the Silk Road trade, which undermined the Tang economy.</span>
Answer: They had to face severe economic problems.
Explanation: We can mention a great amount of troubles caused by the Great Depression, however, all of them might be summarized as economic problems.
After the beginning of the Great Depression Americans lost their savings because half of the banks collapsed. Some of them also lost their jobs and even their houses. It represented one of the most difficult periods that American people had to go through.
