Should borates be the first chemical added to the pool? Carbonates are the traditional buffering system used in swimming pools. They perform the vital task of keeping the pH from fluctuating, thus ensuring the water in the pool remains comfortable for bathers and doesn't attack the vessel that contains it.
33,248 pages on this wiki. The United States tried to stop the spread of Communism by actively engaging in wars where the country in concern was in danger of being overwhelmed by a Communist Neighbor. For example, the United States defended South Korea against the Communist North Korea, and lost South Vietnam to the Communist North Vietnam.
Ho Chi Minh was a communist leader who was trying to spread communism throughout all of vietnam. During that time, there was a containment policy in the US that pledged assistance to any country that was suffering from communism. This is why the US sent troops to the US to fight the communist vietcong.