| A | B |
| Fort Sumter | Fort in Charleston Harbor where the first shots of the Civil War were fired |
| Winfield Scott | commander of the US army at the outset of the Civil War |
| Anaconda | Winfield Scott's plan to defeat the South |
| blockade | first part of the Anaconda Plan |
| Maryland, Kentucky, Delaware, Missouri | Border States; slave states that remained in the Union |
| West Virginia | seceded from Virginia in 1861 |
| Kentucky | key border state that had much needed industry and important resources; Lincoln thought it was vital to keep it |
| Maryland | border state that surrounded Washington D.C. |
| martial law | declared by Lincoln to prevent Maryland from leaving the Union |
| Butternut District | part of the old Northwest that was a hotbed of Copperhead sentiments |
| Five Civilized Tribes | held slaves and sided with the Confederacy |
| mountain whites | 50,000 of these southerners fought for the Union |
| Robert E. Lee | legendary commander of the Army of Northern Virginia |
| Thomas J. "Stonewall" Jackson | won fame at Manassas, killed at Chancellorsville |
| 22 million | population of the Union |
| 9 million | population of the CSA |
| CSA | Confederate States of America |
| 3.5 million | number of slaves in the Confederacy |
| Irish, Germans, English immigrants | made up one-fifth of the Union army |
| King Cotton | the South counted on this to bring Britain into the war |