The immigration consequences described here pertain to domestic violence convictions that qualify under the domestic violence deportation ground, but do not qualify under another ground of deportation.
The Second Sino-Japanese War was a military conflict fought primarily between the Republic of China and the Empire of Japan from July 7, 1937, to September 9, 1945. It began with the Marco Polo Bridge Incident in 1937 in which a dispute between Japanese and Chinese troops escalated into a battle.
The US became officially involved in WWII on December 8, 1941, the day after Japan attacked the US Navy's Pacific Fleet at Pearl Harbor. The US involvement ended with the surrender of the Japanese on August 15, 1945. The Answer: a little less than four years.