SynonymDefinitionAntonym.com - English Synonym Dictionary

Any federal law-enforcement officer

A member of the Union Army during the American Civil War

Characterized by or constituting a form of government in which power is divided between one central and several regional authorities

Of or relating to the central government of a federation

National; especially in reference to the government of the United States as distinct from that of its member units

Being of or having to do with the northern United States and those loyal to the Union during the American Civil War