Vietnam War Selfishness

I would have to admit that humans are selfish creatures in general. My reasoning is that in the most intense of situations, most humans will choose to save themselves over anyone else. For example, during the Vietnam War many Americans were unable to fully sympathize with the South Vietnamese and constantly called for the withdrawal of American troops until that request was fulfilled. While I understand the outcry to stop the number of American deaths in Vietnam, I also sympathize with South Vietnamese were under the threat of being overtaken and forced into communism or even genocide. The selfishness of Americans during this time was obvious. The American people pleaded for the President to pull out of Vietnam while knowing the fate of the