The last country in the world to challenge the United States control of Oregon was Great Britain. Oregon was won in the War of 1812.
There’s answers already on another post if you look it up
The Louisiana Purchase, which was purchased by the United States from France, greatly impacted the development of the US in that it gave the US a large area of land for extremely cheap.
The United States policy during the early years of World War II is to remain neutral relationship in regards to war while making and providing war supplies to the Great Britain. Providing war supplies to the Great Britain means that the they have to pay back the United States.
Answer:
The social, economic and political conditions in Russia, before 1905 was quite backward. Social inequality was very prominent among the working class. Workers were divided on the basis of their occupation. ... Workers had strong links to the villages they came from and this also caused a social divide among workers
