The United States foreign policy during the 1974-1977 presidency of Gerald Ford was marked by the Cold War. Gerald Ford continued Richard Nixon's policies regarding detente with both the Soviet Union and China. He presided over the final stages of the Vietnam War, announcing in April 1975 that U.S. participation in the war had ended. In the aftermath of the war, his administration responded forcefully to both the Mayaguez incident and an incident with North Korea in Panmunjom. In the aftermath of the Yom Kippur War, the Ford administration facilitated completion of the Sinai Interim Agreement between Israel and Egypt.