Answer:
Hope this helps!! :D
Explanation:
Popular sovereignty, also called squatter sovereignty, in U.S. history, a controversial political doctrine according to which the people of federal territories should decide for themselves whether their territories would enter the Union as free or slave states.
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:
The scientists or Muckrackers!
Explanation:
I dont really know if thats the answer... but look it up i guess! But i tried i dont really know though! Hope you had a happy new year! Bye! Hope you got this right! Bye! Please answer the question i have!
if you are talking about WW2 then yes that is why we had the baby boom because we thought we were the best and wanted to celebrate winning the war and coming home alive.