Can someone help me i need pics and definitions for these i only need help on the 3rd 1st and 4th one help help Asap

below

Explanation:

pearl harbor was the event that caused america to enter ww11

hitler was the german leader who was trying to get rid of all the jews, a really bad guy.

for allies, search up who was on americas side

an economic reason that the south needed a reconstruction plan is that plantations, factories, and other businesses were destroyed during the war.

i'm asking the same thing i asked this other cat all of