Question

a provision of the treaty of 1818 that expanded the united states also

gave the us sole control of the oregon country.
gave the us sole control of west florida.
set the us-canada border at the 49th parallel.
set the us-spain border in cuba.

Explanation:

Analyze the Treaty of 1818

Using the Treaty of 1818 knowledge point

• Signed between the United States and Great Britain.
• Resolved standing boundary disputes from the War of 1812.

Evaluate the boundary provisions

Using the Treaty of 1818 knowledge point

• Established the US-Canada boundary along the 49th parallel.
• This line ran from the Lake of the Woods westward to the Rocky Mountains.
• Also created a joint occupation agreement for the Oregon Country.

Assess the given options

Using the Treaty of 1818 knowledge point

• Option 1 is incorrect: it established joint occupation, not sole control.
• Option 2 is incorrect: West Florida was acquired via other diplomatic actions.
• Option 3 is correct: it set the boundary at the 49th parallel.
• Option 4 is incorrect: Spain was not a party to this treaty.

Answer:

• gave the US sole control of the Oregon Country.
• gave the US sole control of West Florida.
• set the US-Canada border at the 49th parallel. (Correct answer)
• set the US-Spain border in Cuba.