There is the answer I hope you can get an A
It called for protection of equal privileges for all countries trading with China and for the support of Chinese territorial and administrative integrity
Answer:
D. Negotiated a treaty with Spain for control of Florida.
Explanation:
In 1019 Adams had a brilliant diplomacy with Spain, which led to the Adams-Onís Treaty of 1819, was largely responsible for the Acquisition of Florida and the U.S. assumption of Spain's claim to the Oregon Country.