To be classified in the class Arachnida, an arthropod must have the following characteristics. Arachnid bodies are usually divided into two distinct regions, the cephalothorax (anterior) and the abdomen (posterior). Adult arachnids have four pairs of legs, which attach to the cephalothorax. In immature stages, the arachnid may not have four pairs of legs (such as in mites).
The ERA in the States. The Equal Rights Amendment was passed by Congress on March 22, 1972 and sent to the states for ratification by both houses of their state legislatures. A proposed amendment becomes part of the Constitution when approved by three-fourths (38) of the 50 states. During the next five years, 35 states approved the amendment.
The United States abolished slavery in the United States when it ratified the Thirteenth Amendment in 1865. The Fourteenth Amendment to the United States prohibits government from denying equal protection of the laws or due process of law to the citizens of the United States. The Fifteenth Amendment ratified in 1870 guaranteed all citizens the right to vote.