What obstacles did us troops fighting in vietnam face?

On the ground in Vietnam, U.S. forces faced challenging environmental conditions as they tried to engage an elusive enemy. Much of the fighting in Vietnam took place in hot, wet jungle terrain. Soldiers suffered from heat stroke, malaria, trench foot, fungal infections and other ailments brought about by hot, humid conditions.

b) the confederacy had to pay all union war expenses.

a phrase from a poem by ralph waldo emerson about the battle of lexington and concord. emerson's words read, “here once the embattled farmers stood / and fired the shot heard round the world.”