Annexation of local governments is a contentious topic. Litigation of annexation often addresses important constitutional provisions, such as property rights, federalism, limitations to police powers, equality and, more specifically, the Voting Rights Act. The United States Constitution is famously silent about local governments. In light of this omission and considering individual constitutional rights, would it make a difference to have local governments in the constitutional text? And to whom would it matter the most? This research developed an original dataset to answer those questions. This article focuses on annexation as proxy for local powers, and it compares the U.S. federalism scheme with the Brazilian unprecedented experience of ...