The quote below is an excerpt from a speech given by President Richard Nixon on November 3, 1969: The defense of freedom is everybody's business not just America's business. And it is particularly the responsibility of the people whose freedom is threatened. In the previous administration, we Americanized the war in Vietnam. In this administration, we are Vietnamizing the search for peace.

What change in policy was President Nixon promising to make in this speech?
a. Reducing the number of U.S. soldiers in Vietnam
b. Making payments to North Vietnam to obey a cease-fire
c. Relying on air power to pressure the Vietcong to negotiate
d. Allowing Vietnam to reunify under a democratically-elected government