Final answer:
The Watergate investigation had consequences on the powers of the executive branch, including a restriction of presidential authority.
Step-by-step explanation:
The Watergate investigation had significant consequences on the powers of the executive branch, including a restriction of presidential authority. The events surrounding the Watergate scandal led to a loss of public trust in the government and a growing suspicion of executive power. The investigation revealed abuses of power by President Nixon and his administration, which ultimately resulted in Nixon's resignation.