According to the adams-oníz treaty, spain sold to the united states for 5 million dollars

florida to the united states

The Adams-Oniz Treaty (1819) sold Florida to the United States for 5 million dollars. It defined the boundary between the United States and New Spain. It was a triumph of American diplomacy.

answer; /// i believe that the correct answer is (d)the huang he river valley;

although the crusades failed to capture jerusalem, they had several major impacts on western europe. they increased the authority of the king: sometimes nobles died in battle without leaving an heir in which case the king got their land. kings passed taxes to pay for the crusades.