I dont quite know what you mean but a major thing that happened then was the start of the french revolution which kick started many other revolutions in south america, Haiti, brazil, and Mexico but America was contemplating whether or not to help the french.<span />
The answer is oxygen .
Other planets don't provide life and air
ANSWER:
Should try quizlet for this Answer
EXPLANATION:
I think the correct answer is C
What changed americas view of ww1 was freedom and liberty i think thats right.