Short answer yes, technical answer no.
The USA never declared war on North Vietnam, despite fighting there for nearly 10 years.
The Vietnam 'war' was started by Kennedy, escalated significantly under Johnson and was still underway when Nixon was elected so Nixon was elected during the Vietnam War. Nixon also successfully ended the Vietnam war on terms which were above and beyond those offered by his political counterparts who werewilling to withdraw unconditionally.
Richard Nixon was against the Vietnam War!
President Lyndon Baines Johnson followed by President Richard M. Nixon .
Richard M. Nixon was elected US President in 1968.
Richard M. Nixon was President in 1972.
Richard Nixon
He promised to withdraw troops from Vietnam if he was elected.
Richard Nixon was against the Vietnam War!
Richard Nixon and Gerald Ford
President Lyndon Baines Johnson followed by President Richard M. Nixon .
Richard Nixon was elected US Senator from California in 1950.
Richard M. Nixon was elected US President in 1968.
The American presidents were Lyndon Johnson, Richard Nixon and Gerald Ford.
Richard M. Nixon was President in 1972.
The president of the USA for a major time of the Vietnam War was Lyndon Johnson.
Richard Nixon ran for peace with Vietnam and men on the moon.
Richard Nixon was age 55 when elected as President.
Richard Nixon.