| A | B |
|---|
| When did the annexation of Texas into the United States take place? | 1845 |
| What number did Texas become in the sequence of states upon annexation? | 28th |
| Why did the annexation of Texas face opposition? | Slavery debate |
| What significant event played a role in the increased tensions after Texas joined the United States? | Mexican-American War |
| When did the Mexican-American War occur? | 1846-1848 |
| What was the cause of the Mexican-American War? | Territorial disputes |
| Which river was claimed by the United States as the boundary between Texas and Mexico? | Rio Grande |
| What event prompted President James K. Polk to seek declaration of war against Mexico? | Clash near the Rio Grande |
| Who led the U.S. invasion of central Mexico during the Mexican-American War? | Winsfield Scott |
| What did the Treaty of Guadalupe Hidalgo establish regarding the southern boundary of Texas? | Rio Grande |
| What was the Republic of Texas before its annexation into the United States? | An independent natijon |
| What were some factors that contributed to the annexation of Texas? | Desire for westward expansion, econmic opportunities, and concerns about potential British influence. |
| What role did the debate over the expansion of slavery play in the annexation process? | It led to increased tensions. |
| Who was the President of the United States during the annexation of Texas? | James K. Polk |
| What battles are considered notable events in the Mexican-American War? | Battle of Polo Alto and Battle of Resaca de la Palma |
| What general led the American troops in the Battle of Palo Alto? | Winfield Scott |
| What did the Treaty of Guadalupe Hidalgo cede to the United States? | Territories that became California. Arizona, New Mexico, Nevada, Utah, and parts of Colorado, Wyoming, Kansas and Oklahoma |
| How did the Mexican-American War impact sectional tensions in the United States? | It intensified debates over the issue of slavery. |
| What was the significance of the Republic of Texas existing as an independent nation for nearly a decade? | It demonstrated Texas's ability to govern itself. |
| Which river did Mexico argue for as the boundary between Texas and Mexico during the territorial disputes? | Nueces River |
