There have no declared US wars since the end of WW2.
Vietnam
Neither the Civil War nor the Vietnam War were declared wars.
false vietnam war never happened
France withdrew from Vietnam in 1954.
Australia never fought Vietnam.
We can learn never to start a war.
IT WAS CONSIDERED ILLEGAL BECAUSE SOUTH VIETNAM NEVER DECLARED WAR ON NORTH VIETNAM AND VISA VERSA IT WAS A CIVIL WAR AND THE U.S. SHOULD NEVER GOT INVOLVED IN THEIR OPINION
The U.S. Congress never declared war on Vietnam. The president deployed troops without an official declaration. Since then, an act was created that was specific about how far the president could go without an official declaration of war by congress.
Because Vietnam war was fake and it never happened. Whatever teachers tell you about Vietnam War do not believe them.
Your question is unclear. Do you mean Lyndon Johnson's "War on poverty" or "The Vietnam War?" Never heard of a "Vietnam war on poverty."
They never heard of Vietnam before.
Communist aggression.