C. <span>People were able to focus on ideas rather than simple survival.</span>
question #1 : search this on yt Animated Map Shows How World War I Changed Europe's Borders
question #2 : I think this says something about the U.S. but also I think the U.S. had a role in the border changes because of the treaty that was signed after ww1
search this on wikipedia List of national border changes since World War I
Answer:C. When it relates to something that is listed.
Explanation:
Almost all areas of medicine have benefited from scientific and technological developments, but perhaps the greatest fields in the sense of improvement has been surgery.
