1. Describe the canes in Europe borders between 1914 and 1920?

2. What role did the United Sates play in making those changes?

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