| A | B | 
| Fort Sumter | federal fort located in the harbor of Charleston, South Carolina; the Southern attack on Fort Sumter marked the beginning of the Civil War | 
| Robert E. Lee | talented military leader who became the commanding general of the Army of Northern Virginia | 
| border state | a slave state that bordered states in which slavery was illegal.Delaware, Maryland, Kentucky and Missouri | 
| King Cotton | cotton was called king because cotton was important to the world market and the South grew most of the cotton for Europe's mills | 
| Anaconda Plan | a strategy by which the Union proposed to defeat the Confederacy in the Civil War | 
| blockade | when armed forces prevent the transportation of goods or people into or out of an area | 
| First Battle of Bull Run | an 1861 battle of the Civil War in which  the SOuth shocked the North with a victory | 
| hygiene | conditions and practices that promote health | 
| rifle | a gun with a grooved barrel that causes a bullet to spin through the air | 
| minie ball | a bullet with a hollow base | 
| ironclad | a warship covered with iron | 
| Ulysses S. Grant | victorious Civil War Union general in the West | 
| Battle of Shiloh | an 1862 battle in which the Union forced the Confederacy to retreat in some of the fiercest fighting in the Civil War | 
| cavalry | soldiers on horseback | 
| Seven Days' Battles | an 1862 Civil War battle in which the Confederacy forced the Union to retreat before it could capture the Southern capital of Richmond | 
| Battle Antietam | a Civil War battle in 1862 in which 25,000 men were killed or wounded |