How Did Carl Bernstein and Bob Woodward Influence the American

How did Carl Bernstein and Bob Woodward influence the American presidency?

A) Through their newspaper reports, they provided in-depth coverage of the Watergate scandal.
B) They worked together to establish Microsoft.
C) Through their connections with the Castro regime, they hired Lee Harvey Oswald to assassinate President Kennedy.
D) They served as the independent prosecutors in the Watergate scandal.
E) They ran the Nixon re-election committee for the 1972 presidential election.