Answer: D. Committing large amounts of American troops to the fight and massive bombing.
The Vietnam War took place from 1955 to 1975 and involved North and South Vietnam, and the United States. As the war raged on, President Lyndon B. Johnson played a key role in aggravating the issues between the parties at war. He chose to side with South Vietnam and used a war strategy that involved pumping military troops and equipment into the war.
He believed that for the world to truly move forward, communism (which was North Vietnam’s system of government) needed to be contained. His strategy involved committing large amounts of American troops to the fight, as well as massive bombings of selected locations. He believed in using several attacks on a small scale to achieve this. These small scale attacks were meant to be targeted at the North Vietnamese troops until they were completely crippled and unable to continue fighting the war.