The Constitution of the United States

Constitutional Convention in Philadelphia, Pennsylvania, and ratified by conventions in eleven states.

It went into effect on March 4, 1789.

of America. The first three Articles of the Constitution establish the rules and separate

powersof the three branches of the federal government: a legislature, the bicameral Congress; an executive branch led by the President; and a federal judiciary headed by the Supreme Court The last four Articles frame the principle of federalism. The Tenth Amendment confirms its federal characteristics.

process. Constitutional amendments are added to it, altering its effect.

The first ten amendments, ratified by three-fourths of the states in 1791, are known as the Bill of Rights. The Constitution has been amended seventeen additional times (for a total of twenty-seven amendments). Principles of the Constitution, as amended, are applied in courts of law by judicial review.

its kind incorporating recent developments inconstitutional theory with multiple traditions,

and their work influenced later writers of national constitutions. It is supplemented and interpreted by a large body of United States constitutional law. Recent impulses for reform center on concerns for extending democracy and balancing the federal budget.

a few slips of the pen. The most famous of

them - is to write the name of the State of Pennsylvania (Pennsylvania) in the list of delegates who signed the Constitution on the one «n» - «Pensylvania». In addition to the Constitution, some of the words written by the rules of British English, which are different from the U.S., by the time the American spelling rule still not developed