There were a number of elements that made fighting in Vietnam difficult. Among these were thick jungles, lack of acclimatization of occupying forces (French then US troops), difficulty identifying the enemy (a guerrilla force that blended with the homogenous population), lack of home front support (growing social unrest and antiwar sentiment), unclear objectives, ineffective (puppet) government in South Vietnam, unsteady ally government, long supply lines (approximately 8,000 miles of ocean between the US and Vietnam, and a host of other reasons.
Air war North Vietnam. Ground war South Vietnam.
Part of the cold war.
Heat, hygiene, mosquitos.
NVA and VC.
people
No.
North Vietnam/VC vs allies
Vietnam and Cambodia
It was fighting for democracy and against communism.
viet cong.
Fighting communist aggression.
getting sick or getting shot or finding food. That kind of stuff was difficult for a civil war soldier because they would never stop fighting!!!!