Answer:
WW2
Explanation:
On May 8th 1945, the Allies accepted Germany's surrender, about a week after Adolf Hitler had commited Sui**** VE Day celebrates the end of the Second World War on May 8th 1945.
In order to ensure that they had the water they needed for their farms, the Inca built large canal systems to irrigate, or bring water to, their fields. The canals also brought water to the cities. Many streets had supplies of fresh water running through a canal.
One example would be economic opportunities. The possibility of a better job would pull someone to a new country. Hope that helps!
Intergrated but uneqaul
After slave labour, americans found itself with a problem of intergrating blacks into the system, but the main headaches after 1920's was the question of equality, that led to emergence of rigorous activism.