Answer: C. Nominating Supreme Court Justices
Step-by-step explanation:
The three branches of the Unites States are Legislative, Executive and Judicial branches.
Legislative makes laws
Executure enforces the laws
Judicial interprets the laws
Under Legislative, we have two forces which are The Senate and the House of Representatives.
The Senate's purpose is to agree on treaties, and confirming federal officials like The Supreme Court.
The House of Representatives on the other hand, has responsibilities on making and passing federal laws.