Answer:
World War 1
Explanation:
World War 1 lasted from 1914 to 1918.
Hope this helps <3
the answer your'e looking for is D the american's sent aid to Europe in order to combat the spread of communism, they figured if you send countries aid their more likely to move towards a democracy than communism
Answer:
because people tried to take each other's fur. and that started war.
Not 100% sure and I'm sorry about that but I would say religion. I hope I helped.:)