contestada

During the second half of the 1800s, the United States gained control of numerous territories in the West. Which event hastened this process?

Respuesta :

shinylovesoreos
Many events fueled the process of Western expansion. But the Louisiana Purchase opened up the ability to explore and expand the land since the United States doubled in size after this. 

Answer:

US victory in the Mexican-American War in 1848

Explanation: