Which factor most contributed to u. s. isolationism during world war i and world war ii?

shanghai

explanation:

after fierce fighting, the chinese armies were driven out of the shanghai area by the middle of november 1937. nanking (nanjing), the nationalist capital, fell in mid-december 1937, and the liquidation of that city and its inhabitants became known as the nanjing massacre.

mark brainliest!

the value of the 4 in the hundreds place is 400 while the value of th e 4 in the tens place is 40

400 is way bigger than 40.