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.
In late 1967, General William Westmoreland, the commanding officer of all U.S. forces in Vietnam, returned to the United States at the request of President Lyndon Johnson, who was planning on running for reelection the following year, to give an upbeat assessment of the American war in Vietnam.