Which presidential power is not granted by the Constitution? A appointing justices to the Supreme Court
B submitting a treaty to the Senate for ratification
C suspending a session of Congress
D granting amnesty to convicted criminals

The Appointments Clause is part of Article II, Section 2, Clause 2 of the United States Constitution, which empowers the President of the United States to nominate and, with the advice and consent (confirmation) of the United States Senate, appoint public officials. Hope this helps!