In the United States, a state is a constituent political entity, of which there are 50. Bound together in a political union, each state holds governmental jurisdiction over a separate and defined geographic territory where it shares its sovereignty with the federal government. Due to this shared sovereignty, Americans are citizens both of the federal republic and of the state in which they reside. State citizenship and residency are flexible, and no government approval is required to move between states, except for persons restricted by certain types of court orders, such as paroled convicts and children of divorced spouses who share child custody. State governments in the U.S. are allocated power by the people of each respective state through their individual state constitutions. All are grounded in republican principles (this being required by the federal constitution), and each provides for a government, consisting of three branches, each with separate and independent powers: executive, legislative, and judicial. States are divided into counties or county-equivalents, which may be assigned some local governmental authority but are not sovereign. County or county-equivalent structure varies widely by state, and states also create other local governments. States, unlike U.S. territories, possess many powers and rights under the United States Constitution. States and their citizens are represented in the United States Congress, a bicameral legislature consisting of the Senate and the House of Representatives. Each state is also entitled to select a number of electors, equal to the total number of representatives and senators from that state, to vote in the Electoral College, the body that directly elects the president of the United States. Each state has the opportunity to ratify constitutional amendments. With the consent of Congress, two or more states may enter into interstate compacts with one another. The police power of each state is also recognized. Historically, the tasks of local law enforcement, public education, public health, intrastate commerce regulation, and local transportation and infrastructure, in addition to local, state, and federal elections, have generally been considered primarily state responsibilities, although all of these now have significant federal funding and regulation as well. Over time, the Constitution has been amended, and the interpretation and application of its provisions have changed. The general tendency has been toward centralization and incorporation, with the federal government playing a much larger role than it once did. There is a continuing debate over states' rights, which concerns the extent and nature of the states' powers and sovereignty in relation to the federal government and the rights of individuals. The Constitution grants to Congress the authority to admit new states into the Union. Since the establishment of the United States in 1776 by the Thirteen Colonies, the number of states has expanded from the original 13 to 50. Each new state has been admitted on an equal footing with the existing states. While the Constitution does not explicitly discuss secession from the Union, the United States Supreme Court held in Texas v. White (1869) that the Constitution does not permit states to unilaterally do so.
List
The 50 states, in alphabetical order, along with each state's flag:
Background The 13 original states came into existence in July 1776 during the American Revolutionary War (1775–1783), as the successors of the Thirteen Colonies, upon agreeing to the Lee Resolution and signing the United States Declaration of Independence. Prior to these events each state had been a British colony; each then joined the first Union of states between 1777 and 1781, upon ratifying the Articles of Confederation, the first U.S. constitution. During this period, the newly independent states developed their own individual state constitutions, among the earliest written constitutions in the world. Although different in detail, these state constitutions shared features that would be important in the American constitutional order: they were republican in form, and separated power among three branches, most had bicameral legislatures, and contained statements, or a bill, of rights. From 1787 to 1790, each of the states ratified a new federal frame of government in the Constitution of the United States. In relation to the states, the U.S. Constitution elaborated concepts of federalism.
Governments
Under U.S. constitutional law, the 50 individual states and the United States as a whole are each sovereign jurisdictions. The states are not administrative divisions of the country; the Tenth Amendment to the United States Constitution reserves to the states or to the people all powers of government not delegated to the federal government. Consequently, each of the 50 states reserves the right to organize its individual government in any way (within the broad parameters set by the U.S. Constitution and the Republican Guarantee enforced by Congress) deemed appropriate by its people, and to exercise all powers of government not delegated to the federal government by the Constitution. A state, unlike the federal government, has un-enumerated police power, that is, the right to generally make all necessary laws for the welfare of its people. As a result, while the governments of the various states share many similar features, they often vary greatly with regard to form and substance. No two state governments are identical.
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