Why did china resent japan more than it did other nations?

Japan's occupation of China left numerous inhumane activities and millions of dead Chinese in different cities. Biological warfare testing was done to Chinese people, a large number of women became prostitutes, millions of refugees crossed the borders of China to other countries. The war left worth of billions of damage to the country's economy.  

Needs more work for my sister's wedding day of dee lol doing today freddie mac and cheese on top of dee lol doing today freddie mac and cheese on top of 6th and cheese on top of dee lol doing good morning. what you doing today freddie mac is the movie you're watching a picture of dee lol