| A | B |
| Atomic Bomb | Devastating weapon that utilizes the energy from a split atom to create a chain explosion |
| A. Philip Randolph | President of the predominantly black Brotherhood of Sleeping Car Porters |
| Battle of the Bulge | Battle in which German forces struck in desperation along 50 miles of front in the Ardennes Forest, drove 55 miles before they were stopped at Bastogne, battle ended serious German resistance in the west |
| Braceros | contract laberors |
| Colossus II | A computer designed by the British that could decipher millions of code languages in seconds |
| Congress of Racial Equality | CORE, organized in 1942, mobilized mass popular resistance to discrimination in a way that the older, more conservative organizations had never done |
| D-Day | The day that the invasion force of 3 million soldiers finally attacked from western Europe |
| Dwight D. Eisenhower | Future U.S. president, and leader of the U.S. soldiers in the D-Day invasion |
| Enola Gay | American B-29 bomber which dropped an atomic bomb on the Japanese industrial center at Hiroshima |
| Enrico Fermi | Scientist who discovered radioactivity in uranium in the 1930s |
| Guadalcanal | An island east of New Guinea assaulted by American troops in their first offensive |
| Harry S. Truman | Vice President under Roosevelt in his last term, was not a prominent figure in the party but had won acclaim as chairman of the Senate War Investigating Committee |
| Hiroshima | The Japanese industrial center that was one of the targets for the atomic bomb dropping |
| Holocaust | Hitler's mass extermination of the Jews, as well as other groups such as homosexuals, Christians, and Communists, in order to establish his race as the "superior race" |
| Korematsu vs. U.S. | Supreme Court ruling in 1944 that ruled the relocation of the Japanese was constitutionally permissible |
| Luftwaffe | German air force |
| Manhattan Project | The Allies' scientific pursuit to create a nuclear weapon |
| Midway | American outpost that was attacked, but the American forces emerged victorious |
| Nisei Unit | Japanese naturalized or native-born citizens of the United States |
| Office of Price Administration | OPA, organization that would enforce the freezing of agricultural prices, wages, salaries, and rents throughout the country |
| Okinawa | Battle 370 miles south of Japan, evidence of the strength of the Japanese resistance fading |
| "Relocation Centers" | Prison camps where the Japanese-American population was held |
| Sonar | A system that sends out sound pulses, and intercepts the way they bounce back to detect objects or obstacles |
| Zoot Suits | Style of dress that the pachucos wore, long loose jackets with padded shoulders, baggy pants tied at the ankles, long watch chains, broad brimmed hats, and greased, ducktail hairstyles |