What is Naplam in the Vietnam War?

Answer 1

Since the US could NOT use atomic weapons (and doctrine dictated no use of chemical/bio weapons); the US used every other weapon that it had at it's disposal. Another words, until someone said "it couldn't be used"; IT WAS USED!

As far as napalm being used in warfare; it's a fire weapon...and fire has been part of warfare since the ancient Greeks used it before Christ (BC).

Answer 2

Naplam was a chemical that was sprayed on the jungle and then burned. It cause a massive fire.