World War II began with the German attack on which country?

When Germany invaded Poland, World War II began.

Explanation:

Hitler's invasion of Poland in September 1939 drove Great Britain and France to declare war on Germany, and World War II had begun.

Explanation:

answer; /// i believe that they became successful farmers; ///////////////

the phenomenon that would be cited as evidence of increased economic interdependence between europe and the americas is  the development of mercantilism.

this theory suggests that the wealth of a country depends on its economic assets, or capital.

hope this : )