[walrus01]

I can tell you that from at least this Canadian's perspective, using military force to eliminate the Khmer Rouge was no less necessary than using military force to eliminate the Nazi control of Germany. I think you'll find that among people who have extensively studied asian and southeast asian history and military topics, it's almost universally agreed upon how evil their regime was.

The full weight of the evidence for how many people they killed, which only surfaced by the mid to late 1980s, only further reinforces this.

[cryptonector]

Mind you, the Vietnamese government went to war with the Khmer Rouge because the latter attacked Vietnam, not because the killing fields became unacceptable.

[chinhodado]

It's true, and it's sad but that's just how it works. Unless a country is attacked, it's very hard to find justification to intervene in the internal affairs of another country. That said, once war is inevitable, the atrocities of the Khmer Rouge made Vietnam understand that such a regime cannot be allowed to be left alone, both for the sake of the Vietnamese and Cambodian people.