States and localities have primary responsibility for administering elections in the United States, but Congress has tools it can use to support or shape their efforts if it chooses to do so. One of those tools is funding. Congress can use its power to provide—and set conditions on—funding to encourage or help states…

Historically, most aspects of election administration have been left to state and local governments, resulting in a variety of practices across jurisdictions with respect to voter registration. States can vary on a number of elements of the voter registration process, including whether or not to require voter registra…