an interest group is a private organization that forms to

a. support elections at the local level
b. promote the interests of its members
c. nominate candidates for public office
d. measure public opinion

b

Right!

The correct answer is b. An interest group is a private organization that forms to promote the interests of its members. These groups are also known as advocacy groups or pressure groups. They are formed by individuals or organizations who share a common concern or goal, and come together to advance their shared interests.

To determine the correct answer to this question, you can use your knowledge of interest groups or look up the definition of interest groups in a reliable source such as a textbook or reputable website. By understanding the purpose and role of interest groups, you can deduce that their main function is to promote the interests of their members.