American neutrality was tested when this country was attacked in the 1930s?. A) Philippines. B) Guam. C) Russia. D) China.

American neutrality was tested when china was attacked in the 1930s. The correct option among all the options that are given in the question is the last option or option "D". The united States of america passed the Neutrality Act during the 1930s to avoid getting involved in a war that was brewing in Europe and Asia.

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.