who ensures that the states abide by constitutional and federal law
Supreme Court
title: Federal law text: Russia, the former Soviet Union and the United States. The United States Constitution provides for a federal government that is superior to state governments with regard to its enumerated powers. These powers include the authority to govern international affairs, interstate commerce, the currency and national defense. After the American Civil War, the Fourteenth Amendment applied the Constitution's Bill of Rights to state governments. Legislation passed by Congress, an Executive Order of the President, or a decision of federal courts pursuant to the Constitution are federal law. Through the system of checks and balances, it is the Supreme Court makes final title: Law of the United States text: governments, and state courts. All states have a legislative branch which enacts state statutes, an executive branch that promulgates state regulations pursuant to statutory authorization, and a judicial branch that applies, interprets, and occasionally overturns both state statutes and regulations, as well as local ordinances. They retain plenary power to make laws covering anything not preempted by the federal Constitution, federal statutes, or international treaties ratified by the federal Senate. Normally, state supreme courts are the final interpreters of state constitutions and state law, unless their interpretation itself presents a federal issue, in which case a decision may be appealed title: History of the United States Constitution text: one state and Congress can override a veto. The President can enforce the law. The Supreme Court and inferior courts rule on international, U.S. and state law. The Constitution is the supreme law and all state officers swear to uphold the Constitution. Every state is a republic, and new states can be admitted. The Articles Congress continued until the new system started. Amendments are possible without Congress. The Convention recommendations went to Congress, from them to the states. State legislatures set the election rules for ratification conventions, and the people "expressly" chose representatives to consider and decide about the Constitution. title: State law (United States) text: State law (United States) In the United States, state law refers to the law of each separate U.S. state. The fifty American states are separate sovereigns, with their own state constitutions, state governments, and state courts. All states have a legislative branch which enacts state statutes, an executive branch that promulgates state regulations pursuant to statutory authorization, and a judicial branch that applies, interprets, and occasionally overturns both state statutes and regulations, as well as local ordinances. States retain plenary power to make laws covering anything not preempted by the federal Constitution, federal statutes, or international treaties ratified by the title: Judicial review in the United States text: the Constitution. Any law contrary to the Constitution is void. The federal judicial power extends to all cases "arising under this Constitution." As part of their inherent duty to determine the law, the federal courts have the duty to interpret and apply the Constitution and to decide whether a federal or state statute conflicts with the Constitution. All judges are bound to follow the Constitution. If there is a conflict, the federal courts have a duty to follow the Constitution and to treat the conflicting statute as unenforceable. The Supreme Court has final appellate jurisdiction in all cases arising under