Final answer:
The power to establish an army and navy is explicitly stated in the U.S. Constitution as an enumerated power granted to Congress.
Step-by-step explanation:
The power to establish an army and navy is enumerated, as it is explicitly listed in the Constitution. Specifically found in Article I, Section 8, this congressional power allows the legislature to raise and support armies and to provide and maintain a navy. This power is a key component in ensuring the nation's security and plays a crucial role in the government's ability to defend itself and its interests.
It is explicitly stated in Article I, Section 8 of the U.S. Constitution, which outlines the powers of Congress. This section specifically grants Congress the power to raise and support armies and maintain a navy. These powers are vital for the defense and security of the nation.