What three problems confronting united states servicemen in vietnam

Problems confronting the united states servicemen in Vietnam included: 
Frustrating situation in Southwest Asia increasing participation by friendly nations rising resentment at home to the war in Vietnam increasing drug addiction and alcoholism. 

12 days because 1/4 is 25% of 100 if 100 is equal to 1 pound then multiply 3 by 4 which equals 12