Question

What led to Europe's involvement in World War ||?
Japanese attack on Pearl Harbor.
Germany's military build up and invasions of multiple European countries.
The death of President von Hindenburg ignited Europe's involvement.
The need for a better economy caused Europe to be involved.

Answer 1

Answer:Germany's military build up and invasions of multiple European countries. :)

Explanation:

Answer 2

It was the German Nazi military invasions of European nations that led to European nations attacking back.