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.
Richard Nixon. US Prez who withdrew US troops from Vietnam under the policy of VIetnamization; continued a secret war in Cambodia and Laos, said he had brought peace with honor through the Paris Peace Accords in 1973.