In 1972,diplomat Henry Kissinger Announced That "Peace Is at Hand

In 1972,diplomat Henry Kissinger announced that "peace is at hand"

A) after a failed North Vietnamese offensive.
B) right before the American presidential election.
C) after the United States threatened to use nuclear weapons against North Vietnam.
D) before the final American ground troops were pulled out of Vietnam.
E) right before American troops embarked on the Easter offensive.