How Do Political Parties Help Voters Determine Who to Vote

How do political parties help voters determine who to vote for?

A) Local party organizations hold educational meetings regularly during elections to go through a candidate's positions.
B) Parties host fundraisers to inform voters about who is running for office and convince them to vote for their candidates.
C) A candidate's party affiliation helps voters to better understand the candidate's policy perspectives.
D) Leaders of political parties offer incentives to voters to cast a vote for their candidate in an election.