Political parties are best defined as ______.
grassroots movements that find themselves in the heart of a political conflict or policy issue in an efficient and organized way
disorganized factions of candidates and activists that seek to control the democratic process through the election process
hierarchical layers of leaders, politicians, and supporters that seek to influence public policy through lobbying and political donations
organized groups of candidates, officeholders, voters, and activists that work together to elect candidates for political office