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
1960 in the Vietnam War and peace. We want to preserve peace in order for our people to use their strength to build socialism." However, at the same meeting of the National Assembly southern leaders called for assistance and support from the north to support the Viet Cong who faced "an extremely unsafe situation." North Vietnam protested to Great Britain and the Soviet Union, co-chairmen of the 1954 Geneva Convention, about the large increase in the U.S. military presence in South Vietnam and accused the U.S. of preparing for "a new war." The South Vietnamese army reported that it had killed 931 Viet Cong and