Not my question!
Division.
Rejection from the public.
The effects of the Vietnam war were devistating. Leaving many deragened and mental.
Vietnam gave the "cold war" leaders the opportunity to perfect their "cold war" weapons...by actually using them in combat; e.g. the B52 & the MiG21 for example. SAMs and their accompanying radars as another example.
Vietnam was a french and Japanese colony , that tried to gained independence .
Public discontent.
syndrome
Protests & riots.
Peoples lives were shatted, birth defects, etc. Look up Long Term Effects of the Vietnam War on Google.
Lowered morale.
A homefront that seriously distrusts its government.
The 21st century's F22 Raptor is still armed with a 20mm cannon, thanks to the Vietnam War.