| A | B |
| a narrow body of water that connects two larger bodies of water | strait |
| to travel completely around something (such as Earth) | circumnavigate |
| a body's ability to remain free of illness even after being exposed to the cause of the illness | immunity |
| the Spanish word for conqueror | conquistador |
| a narrow piece of land that connects two larger land masses | isthmus |
| the practice of bringing people from a different country to control and settle an area that already has an indigenous population | colonization |
| a large fleet of ships | armada |
| a map maker | cartographer |
| a chain of islands | archipelago |
| native to a particular region or environment | indigenous |
| the rebellion of a ship's crew against the captain | mutiny |
| a special journey taken by a group that has a clear purpose or goal | expedition |
| the act of planning and directing the movement of a ship, plane , or other vehicle | navigation |
| the reason for taking a specific action | motive |
| to discuss the terms of an agreement | negotiate |
| a situation in which one person country or company has complete control of the supply of a good or service | monopoly |
| a disease caused by a lack of vitamin C | scurvy |