1973 in the Vietnam War for the U.S. Christmas bombing (Operation Linebacker II) and that "we deplore the action." President Nixon wrote a letter to President Nguyen Thieu of South Vietnam asking for Thieu's cooperation in the Paris peace negotiations and stating that "the unity of our two countries...would be gravely jeopardized if you persist in your present course." Thieu had scuttled a draft peace agreement reached in October 1972. Nixon pledged to respond with "full force" if North Vietnam violated the peace agreement. As U.S. National Security Adviser Henry Kissinger prepared to resume peace talks with North Vietnam in Paris, United States President Nixon
1972 in the Vietnam War Abrams cabled Washington that "the enemy [North Vietnam] is preparing and positioning his forces for a major offensive... There is no doubt this is to be a major campaign." Abrams requested additional authority to use U.S. American air power to mount an effective defense. President Richard Nixon revealed that National Security Adviser Henry Kissinger had been meeting secretly with North Vietnam representatives for more than 2 years. He also revealed the U.S. peace plan that had been proposed to Hanoi. Nixon proposed that, within six months of an agreement, all U.S. military be withdrawn from South Vietnam, Prisoners of War