When you have a number of choices to select from, use a list or a chart. Draw a circle or a semi-circle with a radius of about 4 - 6. Mark the choices off as degrees on the circle. Hold the pendulum in the center and the swing of the pendulum will line-up with the appropriate marked off selection.
April 24, 1965 - President Johnson announces Americans in Vietnam are eligible for combat pay. May 3, 1965 - The first U.S. Army combat troops, 3500 men of the 173rd Airborne Brigade, arrive in Vietnam.
Lyndon Johnson succeeded John F Kennedy as president. Johnson was encouraged by his advisors to take up a more forceful approach to the Vietnam conflict and to send in US troops to bolster the South Vietnam Army. The new leader of South Vietnam was General Khanh and he made it clear to Johnson that he did not believe that the South Vietnamese Army could withstand the NLF. Initially Johnson was not keen to send in troops to South Vietnam.