American neutrality was tested when this country was attacked in the 1930s ? . a) philippines . b) guam. c)russia. d)china.

Correct answer choice is:

D. China

Explanation:

It began with the Marco Polo Bridge Incident in 1937 during which a conflict between Japanese and Chinese armed forces accelerated into a battle. When the Japanese attack on the harbor in 1941, the war unified with alternative conflicts of warfare II as a serious sector referred to as the China Myanmar Bharat Theater.

people can eat food during that time

these civilizations were located around fertile rivers, where they could produce an abundance of crops