The correct answer is A) National Committee.
It is the National Committee the one that sends political leaders to certain states to campaign for their party’s candidate.
The National Committee of the Republican Party and Democratic Party represents the central organization of these political parties. The campaign manager is the director of the political agenda, This director has the goal to place the candidate in office. He, with the campaign team, elaborates the strategies and plans to win the election. The members of team elaborate slogans, participate in political marketing tactics, and encourage people to vote for their candidate.