Answer: I believe it is A.
Hope this helps.
Answer:
He focused on new sciences that forced people to rethink the world by modernizing society
Explanation:
A-Excluding persons from serving on a jury because of ethnicity.
The answer should be the first one : a return to normalcy and isolationism. The reason for this is because they wanted to keep out of foreign affairs from there on out. Obviously that did not work out as well as hoped since Americans were forced into the 2nd World War as well as the Korean and Vietnamese wars. Hope this helps!