What is one power of Congress concerning war?

The power of Congress to declare war is a critical responsibility established in the U.S. Constitution. Article I, Section 8 grants Congress the authority to declare war, underscoring the principle that decisions about going to war should involve the legislative branch, reflecting the will of the people. This framework acts as a check on the executive branch, which is responsible for conducting military operations. By requiring congressional approval to declare war, the Constitution aims to prevent unilateral military action by the president and ensures that such significant decisions undergo broader scrutiny and debate.

While other powers associated with military affairs, such as conducting military operations or appointing military leaders, may rest primarily with the President, the power to declare war is distinctly one that resides with Congress alone. Negotiating treaties also falls under the realm of executive powers, with the Senate playing a role in ratification, but the initiation of war through a formal declaration is specifically assigned to Congress. This division of powers is crucial for maintaining a balance between legislative authority and executive action in matters of war and peace.