Take a journey into the meanings of red front doors in different cultures. Plus, find out if red doors are lucky ...

Federal troops returned the fire. The Civil War had begun. Immediately following the attack, four more states -- Virginia, Arkansas, North Carolina, and Tennessee -- severed their ties with the Union.

37 —Abraham Lincoln The Civil War was about slavery ... abridged by the United States or by any State on account of race, color, or previous condition of servitude.” 37.