United States map of 1865, show affiliation of states and territories regarding the Secession War (Civil War.) Legend:

  Union states   Union territories not permitting slavery   Border Union states, permitting slavery   Bleeding Kansas, entered Union   Confederate states (all of which permitted slavery)   Union territories permitting slavery
This map was obtained from an edition of the National Atlas of the United States. Like almost all works of the U.S. federal government, works from the National Atlas are in the public domain in the United States.Online access: NationalAtlas.gov | 1970 print edition: Library of Congress, Perry-Castañeda Library
Júlio Reis