Everyone had to be obedient to the state. Religion was banned, and all of those from Chinese, Vietnamese, and even Thai ancestry were not safe from attack. Ties to religion, family had to be broken, and all other loyalties were transferred to the state. A concentration camp was created known as S21 by the Khmer Rouge. This place was used for interrogation, torture and death. Of an estimated 2000, only 7 people were believed to have survived. Many died from starvation, disease and exhaustion.