Answer :
Answer: By electing its members into government or leadership.
Explanation: Interest groups seek to influence government by showing solidary but putting out things that they will want the government to look into in their interest but political groups want to influence government by looking for ways to make their members the "government " they are usually the opposing political parties of the political group or political party that is in government. Or they support a political group or party. Interest groups do not support any political group most times.