Question

In addition to a primary, political parties can nominate candidates for general election through a

petition or a vote of party leaders.
caucus or a convention.
signature drive or a public rally.
referendum or a ballot initiative.

Answer 1

caucus or a convention.

Explanation: Besides primaries, parties often choose nominees via caucuses (local party meetings where members vote) or conventions (party gatherings at county/state/national level to select nominees).