It was the first US war in the enemy nation triumphed. It was a fight against communism.
First US war in which an enemy country (nation) won.
Vietnam was a countryside, with the US military living in it (and the enemy). Civilians had to vacate the area (we RE-LOCATED THEM).
Reparations.
An enemy that didn't give up. Soldiers who didn't want to be there. A nation which didn't want them there.
The enemy was hard to find in the jungles of South Vietnam. The answer is jungles.
A war of attrition; find the enemy & then destroy him. Search & Destroy.
Because those were the new regulations for fighting the war. All previous wars had been fought and measured by gaining ground (winning territory). Vietnam would be fought and measured by counting enemy casualties. With that said, it's commonplace for any nation's military to count the casualties of their own losses and those of the enemy.
No , Finland was occupied by the Soviet Union for much of the war. If anything they were sympathetic to Germany on the grounds of "the enemy of my enemy is my friend"
Yes , the venerable M60 Patton tank was present in a number of enemy engagements during the Vietnam conflict .
Great Britain was never occupied by the enemy, and 'belonged' to itself and its people.
Australia provided their superb Centurion medium battle tank to supplement America's Patton tanks against the communist enemy in Vietnam.