What is an example of a power reserved for the states?

Establishing local governments is a power specifically reserved for the states, reflecting the principle of federalism embedded in the U.S. Constitution. This principle allows states to exercise authority over their local affairs, including the creation and regulation of municipalities, counties, and other forms of local governance. Each state has the autonomy to set up its governmental structures to address the unique needs of its communities, which can vary widely across the nation.

In contrast, powers like printing money, declaring war, and regulating foreign trade are reserved for the federal government. These powers are essential for maintaining national sovereignty and economic stability, and they are managed by the federal authority to ensure uniformity and coherence in governance across all states. Therefore, the establishment of local governments clearly exemplifies a power that belongs solely to the states.