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[[Image:PresidentNixon.jpg|left|thumb|275px|President Nixon points out the NVA sanctuaries along the Cambodian border in his speech to the American people announcing the Cambodian incursion, 04/30/70]] Two months after coming into office American deaths in Vietnam reached thirty-six hundred. Nixon appointed [[Harvard]] Professor [[Henry Kissinger]] as National Security Adviser, who had secret peace talks with the North Vietnamese. Peace negations dragged on throughout Nixon's first term. His Vietnam strategies included "Vietnamization," a policy aimed at reducing U.S. casualties and troops, while convincing the American public that the Vietnamese people could assume the primary responsibility of waging war.  To win support for the war among the [["silent majority,"]] Nixon pursued the [["politics of polarization."]]  Instrumental to this cause was Nixon's first vice president [[Spiro T. Agnew]], who criticized opponents of the war as "nattering nabobs of negativism," and an "effete corps of impudent snobs."  Nixon also sought to instill in the North Vietnamese the belief that he was volatile and unstable, and willing to use nuclear weapons in the war, a strategy known as the "madman scenario."

[[Image:PresidentNixon.jpg|left|thumb|275px|President Nixon points out the NVA sanctuaries along the Cambodian border in his speech to the American people announcing the Cambodian incursion, 04/30/70]] Two months after coming into office American deaths in Vietnam reached thirty-six hundred. Nixon appointed [[Harvard]] Professor [[Henry Kissinger]] as National Security Adviser, who had secret peace talks with the North Vietnamese. Peace negations dragged on throughout Nixon's first term. His Vietnam strategies included "Vietnamization," a policy aimed at reducing U.S. casualties and troops, while convincing the American public that the Vietnamese people could assume the primary responsibility of waging war.  To win support for the war among the [["silent majority,"]] Nixon pursued the [["politics of polarization."]]  Instrumental to this cause was Nixon's first vice president [[Spiro T. Agnew]], who criticized opponents of the war as "nattering nabobs of negativism," and an "effete corps of impudent snobs."  Nixon also sought to instill in the North Vietnamese the belief that he was volatile and unstable, and willing to use nuclear weapons in the war, a strategy known as the "madman scenario."

On April 30, 1970, ten days after announcing that 150,000 American troops would be withdrawn from Vietnam in the following year, Nixon announced that U.S. troops had invaded Cambodia.  This announcement brought widespread protests and college and university campuses across the nation. Four students were shot by National Guardsmen at [[Kent State University]] in Ohio and two died at [[Jackson State University]] in Mississippi.  Many campuses shut down, some for the remainder of the academic year. The [[Paris Peace Accords]] were signed on January 27, 1973, signaling the beginning of the peace process that ended with the evacuation of the last American personnel two years later on April 30, 1975. Pictures of the last U.S. Marines evacuating the American Embassy by helicopter while civilians, many of which were employed by the Americans during the war, attempted to climb aboard, has become a symbol of the U.S. defeat in Vietnam.       

On April 30, 1970, ten days after announcing that 150,000 American troops would be withdrawn from Vietnam in the following year, Nixon announced that U.S. troops had invaded Cambodia.  This announcement brought widespread protests and violence at college and university campuses across the nation. Four students died at [[Kent State University]] in Ohio and two died at [[Jackson State University]] in Mississippi.  Many campuses shut down, some for the remainder of the academic year. The [[Paris Peace Accords]] were signed on January 27, 1973, signaling the beginning of the peace process that ended with the evacuation of the last American personnel two years later on April 30, 1975.

=== Policy of Detente ===

=== Policy of Detente ===