What was Nixon's role in the Watergate scandal?

A. Nixon attempted to obstruct the investigation of the break-in.

B. Nixon lied under oath when questioned about the break-in.

C. Nixon broke into the Democratic headquarters at the Watergate building.

D. Nixon ordered the break-in.

Watergate was a major political scandal that occurred in the United States in the 1970s, following a break-in at the Democratic National Committee (DNC) headquarters at the Watergate office complex in Washington, D. C. in 1972 and President Richard Nixon 's administration's attempted cover-up of its involvement.