For many, it was the feelings of defeat and rejection.
syndrome
Rejection from the public.
Just this one: "We the unwilling Led by the unqualified Are doing the impossible For the ungrateful"
The effects of the Vietnam war were devistating. Leaving many deragened and mental.
Division.
Thailand.
The effects where vast, from the counter culture movement, aka Hippies, to massive anti war protest on a scale never before seen in America, not to mention extensive psychological and sociological problems seen with returning vetrans, not unlike returning gulf war vetrans.
Public discontent.
Vietnam reunited in 1976 after the end of the Vietnam war, South Vietnam (democratic side) losing to North Vietnam (communist side).
The 21st century's F22 Raptor is still armed with a 20mm cannon, thanks to the Vietnam War.
Peoples lives were shatted, birth defects, etc. Look up Long Term Effects of the Vietnam War on Google.
Lowered morale.