Simple. The Democratic party has a chairperson for democratic conferences, while the Republican party has two separate conference leaders, the chairperson and the floor leader. Apart from conferences, there really is no "leader" of the party.
Elections in which voters determine a political party's nominee for a general election.
By caucus of members of a political party, by state party conventions, or by primary elections, or by all of the above in some states.
direct primaries A+
Elections are won by running for office. You can run as an independent or as part of the political party system. Some offices are non-political without the a particular political party as backing candidate.
A political party.
political party
The Republican Party.
The Free-Soil Party -apex
The definition of party practices is how political parties' beliefs affect the nation. Elections are an example of party practices.
Vote for either Democrats or Republicans
a political party
Presidential primaries are party elections and caucuses to determine who the presidential nominee will be for each political party. They are held between January and June before the general election in November.