blood type. Any of the four main types into which human blood is divided: A, B, AB, and O. Blood types are based on the presence or absence of certain substances, called antigens, on red blood cells.Also called blood group.lood type. Any of the four main types into which human blood is divided: A, B, AB, and O. Blood types are based on the presence or absence of certain substances, called antigens, on red blood cells.
Amendments are sent to the legislatures of the states by default. Only one amendment, the 21st, specified a convention. In any case, passage by the legislature or convention is by simple majority. The Constitution, then, spells out four paths for an amendment:
U.S. Constitution: 1789. The Constitution of the United States is the foundation of our American Government. It lays out the system of Government and the rights of the American people. The Constitution has three parts. The Preamble tells the purpose of the document and Government. The Articles set up how the Government is organized and how the Constitution can be changed. The Amendments are changes to the Constitution. The first ten Amendments are called the Bill of Rights. In the early 1600s, the British king set up colonies in America along the Atlantic coast. People came to the colonies for many reasons; some wanted to make money, and others came to find religious freedom.