Answer :
The three things that the United States and Spain agree to as part of the treaty are:
- Spain would have to give up claims to the Oregon Country.
- Spain would have to give up claims to Mexico.
- A southern boundary would have to be established all the way down to the Pacific.
What is the Peace treaty?
The representatives of Spain and United States signed a peace treaty in Paris on 1898 which established the independence of Cuba, ceded Puerto Rico and Guam to the United States.
Therefore, Option A,B,D is right.
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