Communist inspired forces, along with other forms of "rebel" factions moved into Cambodia.
Yes it was.
The communist takeover brought the genocide in Cambodia.
The genocide in Cambodia claimed about 1.7 million persons.
Pol Pot
Yes it is.
Khmer Rouge
Japanese and Vietnamese
they all had a big party with nachos
Many were sent to refugee camps on the Thai/Cambodia & Laos/Cambodia border.
Cambodia
Genocide
People who wouldn't support the newly formed communist regime.