| A | B |
| isthmus | narrow strip of land that connects 2 larger land areas |
| Buffalo Soldiers | Nickname for African American soldiers |
| Rough Riders | fought with T. Roosevelt in Cuba |
| Spanish-American War | War between US and Spain in 1898 |
| Yellow Journalism | false or exaggerated writing |
| William Seward | wanted to buy Alaska for resources and to expand |
| Alaska | purchased from Russia for $7.2 million |
| gold | reason many moved to Alaska |
| pineapples and sugarcane | resources in Hawaii |
| explosion of "The Maine" | trigger for Spanish-American War |
| a world power | role of US after Spanish-American War |
| mosquitoes | cause of malaria and yellow fever |
| Queen Lilliukolani | wanted to keep control of Hawaii |
| American planters | wanted US to take control of Hawaii |
| purpose of Panama Canal | to provide a quick route from one coast to the other |