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:
The old Congress set the rules the new government followed in terms of writing and ratifying the new constitution. After ratification in eleven states, in 1789 its elected officers of government assembled in New York City, replacing the Articles of Confederation government. The original Constitution has been amended twenty-seven times.