Which statements correctly describe the expansion of the united states between 1789 and 1850? choose all answers that are correct. a. the united states went to war with britain to gain the oregon territory. b. the united states doubled in size by purchasing the louisiana territory from france. c. the united states purchased and signed treaties for land but never went to war to gain territory. d. the united states acquired a large portion of the southwest after a war with mexico.

B. The United States doubled in size by purchasing the Louisiana territory
In 1803, America bought the Louisiana territory from France. President Thomas Jefferson sent out Meriweather Lewis and William Clark on an expedition to explore the newly bought territory.

D. The United States acquired a large portion of the Southwest after a war with Mexico
After the Mexican-American War, the United States and Mexico signed the Treaty of Guadalupe Hidalgo which gave America much of Mexico's territory, such as land that would become: New Mexico, Utah, and Arizona.

What are you camparing it