What was the main cause of World War II?

Question

(1 point)
Responses

Franklin Roosevelt was elected president in 1940.
Franklin Roosevelt was elected president in 1940.

The United States sold goods to its allies in Europe.
The United States sold goods to its allies in Europe.

The United States declared war on Germany and Italy.
The United States declared war on Germany and Italy.

Germany began to expand its territory through conquest.

Answer 1

Germany began to expand its territory through conquest.