Columbia Encyclopedia

(Encyclopedia) slavery, historicially, an institution based on a relationship of dominance and submission, whereby one person owns another and can exact from that person labor or other services. Slavery has been fou...

(Encyclopedia) science [Lat. scientia=knowledge]. For many the term science refers to the organized body of knowledge concerning the physical world, both animate and inanimate, but a proper definition would also hav...

(Encyclopedia)  CE5 Virginia, state of the S Middle-Atlantic United States. It is bordered by the Atlantic Ocean (E), North Carolina and Tennessee (S), Kentucky and West Virginia (W), and Maryland and the District...

(Encyclopedia)  CE5 CE5 CE5 United States, officially United States of America, republic (2015 est. pop. 319,929,000), 3,539,227 sq mi (9,166,598 sq km), North America. The United States is the world's third l...

(Encyclopedia)  National Parks and Monuments 1 National Parks and Monuments National Monuments National and International Historic Sites and Historical Parks National Memorials National Battlef...