Answer:
c. their focus on politics
Explanation:
Political parties are groups that are created to win elections and manage the government and interest groups refer to people that try to influence policymakers to make certain decisions. These groups differ in three ways: -Their nomination avenue because political parties have to make the nominations and interest groups try to influence them.
-Their primary focus because political parties are focused on winning the elections and manage the government while interest groups are focused on influence policymakers.
-the scope of the interest as political parties are interested in all the topics related to politics and interest groups are only interested on the topics their members are related to.
Because of this, the answer is C. their focus on politics.
