| A | B |
| Zachary Taylor | US general known as Old Rough and Ready |
| John C. Fremont | US general sent to California posing as a surveying party |
| Stephen W. Kearny | US cavalry colonel lanced in the groin at San Pascual |
| Alexander Doniphan | Colonel of the 1st Missouri Mounted Volunteers |
| Winfield Scott | US general known as Old Fuss and Feathers |
| Colt Walker revolver | first true six shooter pistol |
| percussion cap | replacement for the flintlock system |
| 1841 Whitney | first percussion rifle |
| lancers | cavalrymen armed with lances |
| cuirassiers | heavy armored cavalrymen on draft horses |
| Palo Alto | first major battle of the war, US flying artillery wins the battle |
| flying artillery | fast moving artillery, artillerymen ride horses |
| Sam Ringgold | US artilleryman who invented flying artillery concept |
| Resaca de la Palma | Mexican troops occupy a dry riverbed to nullify US artillery advantage |
| voltigeurs | US troops that rode two on one horse |
| Monterrey | US had to advance through houses in this Mexican city |
| Rebel Yell | first heard from Texas troops at the battle of Monterrey |
| David Twiggs | This US general took too many laxatives prior to the battle of Monterrey |
| Buena Vista | Santa Anna surprises and almost defeats Taylor |
| 2nd Indiana Volunteer Infantry Regiment | This Indiana regiment routed at Buena Vista |
| Colonel William Bowles | This Indiana Colonel collected bugs instead of learning how to command troops |
| Braxton Bragg | This man's battery of artillery helped save the day at Buena Vista |
| Jefferson Davis | Commander of the Mississippi Rifles at Buena Vista |
| Bear Flag Republic | name for California when it declared independence from Mexico |
| Californios | Mounted Mexican troops in California who fought with lances and lassos |
| Battle of San Pascual | Mexican victory in California |
| El Brazito | Alexander Doniphan reserves his fire until the last possible moment |
| Sacramento River | Alexander Doniphan crosses difficult terrain and flanks the Mexicans |
| Vera Cruz | US troops land on the coast of Mexico |
| Matthew C. Perry | US naval leader responsible for the landings at Vera Cruz |
| Cerro Gordo | US troops occupy hill next to Mexican position at night and get behind them |
| Contreras | Mexican general Gabriel Valencia disobeys Santa Anna and gets crushed |
| Churubusco | key points on this battlefield included a bridge and the San Mateo convent |
| San Patricio Battalion | Mexican unit made up largely of Irish deserters from the US Army |
| Molino del Rey | Us thinks this strong point is being used to cast cannons for Mexico |
| Chapultepec | Former Aztec castle and storng point in Mexico City |
| Levi Twiggs | US Marine Corps commander killed at Chapultepec |
| Japan | US Navy forces this Asian country to open to the US for trade |
| US Camel Corps | US experiment to determine if mules or camel s were better in the desert |
| Hi Jolly | US nickname for camel driver Hadji Ali |
| Maynard Percussion system | system of paper caps |
| Mormon Expedition | US marched to Utah for force Mormons to accept a new governor |
| Nauvoo Legion | Mormon regiment |