Answer:
Parties
Step-by-step explanation:
The parties are the political groups that are formed by people that have the same positions. The parties present their candidates for election, they help organize the political campaigns to get votes, try to promote the interests of their voters and at the end, their goal is that their candidates win the elections to be able to implement their ideas.
According to this, the answer is that championing ideas, selecting candidates, mobilizing voters, organizing post-election activities, and integrating new voters into the political process are the major jobs of the parties as these groups share an ideology and they pick candidates and help organize campaigns attracting voters to win elections and get their ideas in the government.