How do interest groups differ from political parties?
a. interest groups do not run candidates for office, whereas political parties do.
b. interest groups are preoccupied with coalition building, whereas political parties can focus on a single issue.
c. interest groups formally nominate members for political offices, whereas political parties do not.
d. interest groups focus on a broader array of issues than political parties.

a. Interest groups do not run candidates for office, whereas political parties do.

Explanation:

Interest groups are the groups, institutions or organizations made a people with common interest, goals or problems and they work collectively to influence government policies to favor them. The main difference between interest groups and political parties is that interest groups do not hold political offices but influence them for benefit of their cause.

answer; i do believe that its(gestation,suction-aspiration or vacuum aspiration;