By the end of 1937, Japan had over 700,00 troops in China. Some sources, which have been disputed, claim that by the end of 1938, Japan had well over one million troops in China.
Nanjing (then spelled Nanking). The so-called "Rape of Nanking" (Nanjing Massacre) began on December 13, 1937, during the Second Sino-Japanese War (1937-1945) which in 1941 became part of World War II. The casualties among Chinese civilians were in the hundreds of thousands as the Japanese occupied most of eastern China.
Certainly Japan could not have made a massive withdrawal of troops they had in China and Manchuria late in 1944. But they did have close to two million troops. At least 500,000 battle tested troops could have been sent eastward to defend Japanese held islands against the steady advance of the US's island hoping troops. They failed to do this, reasons are unknown.
2,800.
Many Japanese Military weapons and troops lost and greatly weaken the Japanese's army.
1,000
According to official Japanese Government data, at the end of World War II Japan had 1,719,700 Army and 70,700 Navy personnel stationed in China and Manchuria. In addition to these, there were also approximately 1 million Chinese collaborationist troops in those territories that had allied themselves with the Japanese. Total Japanese military deaths in China and Manchuria over the course of World War II totalled 502,400.
over 10,000 people died.
On December 9, 1937 the Japanes army captured the City of Nanking which at that time was the Capital City of the Republic of China. For the next 6 weeks the Japanese army went sacked the city. Hundreds of thousands of people were murdered, and many of the surviving women and even young girls were raped. Much of the city was plundered.and burned.
400 million... China currently has a population of over 1.3 billion
Japan was attacking many of its neighbors. In 1905, it occupied Korea and Taiwan. In the early 1930's, it began a very nasty campaign in China. In 1937, the Japanese army faked an attack by Chinese troops in N.E. China - Manchuria (Mukden, Manchukuo) and further dominated China. Word of the atrocities committed by Japan got out, and the U.S> government decided it had to stop Japan. It stopped selling all oil, rubber, etc. to Japan thinking that this would stop Japan from being able to make war. The military leaders and the emperor in Japan felt threatened and attacked the U.S. instead...
Indochina was just one of many occupied regions during WW2. Japanese troops moved westward from Indochina towards India during WW2, creating the CBI Theater of Operations (China, India, Burma Theater) under US Army General Stillwell.
Japanese Art has been influenced by many countries, but most notable was China.