Problem: The presidential campaign season is approaching. The election is two years away, but the first stages of official campaign organization and planning have begun, with selection of candidates uppermost in people's minds. Which of the following groups are most involved in selecting presidential candidates at this point in the process? Need Assignment Help? voters, who are involved in the early stages of campaign enthusiasm elected officials, who have the authority to organize the coming campaign national party committees, who choose contenders and develop strategies grassroots regional organizers of the national parties, who build voter engagement