<P> The American Civil War ( commonly known as the Civil War in the United States ) was fought in the United States from 1861 to 1865 . The result of a long - standing controversy over slavery , war broke out in April 1861 , when Confederates attacked Fort Sumter in South Carolina , shortly after President Abraham Lincoln was inaugurated . The nationalists of the Union proclaimed loyalty to the U.S. Constitution . They faced secessionists of the Confederate States of America , who advocated for states ' rights to travel with slave attendants in the Americas or abolished tariffs on cotton and imports . </P>
<P> The American Civil War ( commonly known as the Civil War in the United States ) was fought in the United States from 1861 to 1865 . The result of a long - standing controversy over slavery , war broke out in April 1861 , when Confederates attacked Fort Sumter in South Carolina , shortly after President Abraham Lincoln was inaugurated . The nationalists of the Union proclaimed loyalty to the U.S. Constitution . They faced secessionists of the Confederate States of America , who advocated for states ' rights to travel with slave attendants in the Americas or abolished tariffs on cotton and imports . </P>
when did the us split into north and south
when did the us split into north and south
the Civil War
the Civil War