They were fighting on American land so supplies came quicker and the Americans would know about their own land. (That's one)
Answer:
The Vietnam War, was a conflict in Vietnam, Laos, and Cambodia from 1 November 1955 to the fall of Saigon on 30 April 1975. It was the second of the Indochina Wars and was officially fought between North Vietnam and South Vietnam. The United States had provided funding, armaments, and training to South Vietnam's government and military since Vietnam's partition into the communist North and the democratic South in 1954. Tensions escalated into armed conflict between the two sides, and in 1961 U.S. President John F. China had become communist in 1949 and communists were in control of North Vietnam. The USA was afraid that communism would spread to South Vietnam and then the rest of Asia. It decided to send money, supplies and military advisers to help the South Vietnamese Government.
The term for the rise in prices of consumer goods would be inflation - b.
Inflation denotes the rise of prices in relation to the amount of money that is being printed. When we have an inflation, our currency effectively has less value.
Lactic acid is produced during anaerobic respiration, which is a form of cellular respiration in which oxygen is not present. Lactic acid is produced when you exercise, and it causes your muscles to become tired. It depends how long until you feel the effects of lactic acid, but getting oxygen to your muscles can slow the build-up. Hope this helps! :)