The nightmare of sex slavery continued after World War II. It wasn’t the Imperial Japanese Empire, but South Korea’s dictators, who continued the practice, where girls and women were forced into sex slavery to service American troops during and after the Korean War. — After the Imperial Japanese Empire finally surrendered to the Allies in 1945, it was a turbulent rollercoaster ride for all Koreans. Korea, for starters, was split along the 38th Parallel into North Korea and South Korea.