3. Explain the changing roles, impact, and power of political leaders, parties, and voting blocs over time. (9- 12.US.32)

They see their interest in that activity.

Explanation:

The roles, impact, and power of political leaders, parties, and voting blocs greatly changed with the passage of time because the political leaders, parties, and voting blocs see their interest in that activity and do their work according to it. The changing roles and power of political leaders occurs may be due to their preference and advantage in a particular activity. If they get their objectives, they changed their roles which shows that the political leaders work on politics.

the correct answer is

d) rocket launcher