Question

which is the main concern of an interest group as compared to a political part
○ to support politicians
○ to support a party
○ to shape public policy
○ to win an election

Explanation:

Interest groups focus on influencing or shaping public policy to advance their specific interests (e.g., industry, social causes). Political parties aim to win elections, support parties/politicians. Supporting politicians/parties or winning elections are party - related goals, not core for interest groups.

Answer:

C. to shape public policy