What is one power that belongs to the states?

Conducting elections is a power that belongs to the states as outlined in the U.S. Constitution. Each state has the authority to regulate its own election processes, including how elections are conducted, voter registration, and the administration of polling places. This state power is a vital aspect of federalism in the United States, as it allows for a decentralized approach to governance and participation in democracy at the local level.

The other options represent powers that are designated to the federal government. For example, declaring war is a power reserved for Congress at the national level, as it involves foreign affairs and national defense. Regulating international trade falls under the jurisdiction of the federal government as well, since it pertains to international relations and requires consistent regulatory measures across states. Printing money is also a federal power, managed by the U.S. Department of the Treasury and the Federal Reserve, which maintains control over the nation's currency. These distinctions highlight the balance of power between federal and state governments as intended by the framers of the Constitution.