Simplify the following text for a Grade 8 native English-speaking person.
Original: The American Civil War ( 1861 â `` 1865 ) , also known as the War Between the States ( among other names ) , was a civil war in the United States of America .
Simplified: The American Civil War ( 1861 -- 1865 ) , also known as the War Between the States , was a civil war in the United States of America .