Principle drafters of the Declaration of Independence; sec- ond vice president of the United States, third president of the United States from 1801-1809. Co-founder of the Democratic-Republican Party.

The forty-fifth President, a Republican, elected in 2016; first president elected without prior political or military experience; an experienced businessman.

First female major party candidate for president of the United States, a Democrat, who ran against President Donald J. Trump in 2016. Secretary of State from 2009 to 2013; New York senator from 2001 to 2009; former first lady.

The citizens eligible to vote

A command, indicated by an electorate's votes, for the elected officials to carry out a party platform or policy agenda

Election in which voters decide which of the candidates within a party will represent the party in the general election

A primary election in which only a party's registered voters are eligible to cast a ballot

A primary election in which party members, independents, and sometimes members of the other party are allowed to participate

Participation in the primary election of a party with which the voter is not affiliated

A second primary election between the two candidates receiv- ing the greatest number of votes in the first primary