They cause the executive branch to influence many aspects of life in the United States
Independent agencies of the United States federal government are those agencies that exist outside the federal executive departments The nature and purpose of these agencies vary widely ensuring that the executive branch influences diverse aspects of society
Answer:
The convention system gives them the opportunity to take care of the other party's business besides nominating candidates.
Explanation:
B. Hydroelectric.
(Edit: Why did you ask the question if you had the answer?)