Can you give me an example of a President as a party leader?

I need two examples of Presidents (Nixon, Ford, Carter, Reagan, Bush Sr., Clinton, or Bush) as a party leader. Just pick any two presidents and give 1 example. Plzzzzzzz|||ALL WERE PARTY LEADERS.|||I think Reagan was a powerful president, but with a


soft voice (unlike Obama's outbursts). He was basicly


well liked, and all some could find wrong with him was


he was a Hollywood movie star. He was much more


than that.