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
People's Peace Treaty and not to interfere in the internal affairs of these two countries.<br> 9. Upon these points of agreement, we pledge to end the war and resolve all other questions in the spirit of self-determination and mutual respect for the independence and political freedom of the people of Vietnam and the United States.<br> <br> By ratifying this agreement, we pledge to take whatever actions are appropriate to implement the terms of this Joint Treaty of Peace, and to insure its acceptance by the government of the United States.<br> <br> South Vietnam National Student Union <br> South Vietnam Liberation Student Union <br>