Watergate: The Watergate scandal refers to the illegal activities that took place during Nixon's presidency, including the break-in at the Democratic National Committee headquarters. It played a major role in his resignation.
Impeachment: Impeachment is the process by which a president can be removed from office for high crimes and misdemeanors. Although Nixon resigned before he could be impeached, it was being discussed as an option.
Gerald Ford: Gerald Ford became President after Nixon's resignation. He pardoned Nixon, which added controversy but also helped bring closure to this turbulent period in American history.