Answer:
In 1818, the United States and Britain agreed to occupy Oregon Country jointly. Spain and Russia had few settlers there, so they withdrew their claims to Oregon Country region's vast forests, trapping animals and living off the land. They were known as mountain men
Didnt we put up fake tanks and stuff like that or maybe that was a different war
Manifest destiny was the reason the US claimed Oregon country.
Answer:
D.
Explanation:
Mexican-American began on April 25, 1846, with an attack by Mexican soldiers over the United States military in the disputed land. This attack claimed dozens of US soldiers' lives.
The war lasted till 2nd February 1848 and came to an end with the Treaty of Guadalupe Hidalgo. With this treaty, the United States was able to expand its territory from the Atlantic to the Pacific Ocean.
Therefore, option D is correct.