Answer:
Confederate = Joined by an agreement or treaty.
Union = The action or fact of joining or being joined, especially in a political context.
Rebels = A person who rises in opposition or armed resistance against an established government or ruler.
Seccesh = A secessionist, a supporter of the Confederacy during the United States Civil War.
Union = North
Yankees = a person who lives in, or is from, the US.
Robert E. Lee = Robert Edward Lee was an American Confederate general best known as a commander of the Confederate States Army during the American Civil War.
Mississippi River = The Mississippi River is the second-longest river and chief river of the second-largest drainage system on the North American continent, second only to the Hudson Bay drainage system.
Abe Lincoln = Abraham Lincoln was an American lawyer and politician who served as the 16th president of the United States from 1861 until his assassination in 1865.
Jefferson Davis = Jefferson Finis Davis was an American politician who served as the president of the Confederate States from 1861 to 1865.
Bull Run = The First Battle of Bull Run, also known as the Battle of First Manassas, was the first major battle of the American Civil War.
Manassas = Manassas is a town in northern Virginia. It’s known for the Manassas National Battlefield Park, site of 2 major Civil War battles and a landmark stone bridge.
Anaconda Plan = The Anaconda Plan is the name applied to a strategy outlined by the Union Army for suppressing the Confederacy at the beginning of the American Civil War.
Rose O'Neal = Rose O'Neal Greenhow was a renowned Confederate spy during the American Civil War.
"StoneWall" Jackson = Thomas Jonathan "Stonewall" Jackson served as a Confederate general during the American Civil War, and became one of the best-known Confederate commanders after General Robert E. Lee.
Dorothea Dix = Dorothea Lynde Dix was an American advocate on behalf of the indigent mentally ill.
Explanation: