Why did spain close the lower mississippi river to american shipping in 1784

Spain closed the lower Mississippi River to American trade because if American relations with Great Britain were poor, affairs with Spain were worse. Spain, which held Florida as well as lands west of the Mississippi River, was anxious to halt American expansion into the territory it claimed. As a result, Spain closed the lower Mississippi River to American shipping in 1784.

Spain closed the lower Mississippi River to American trade because if American relations with Great Britain were poor, affairs with Spain were worse. ... As a result, Spain closed the lower Mississippi River to American shipping in 1784

Explanation:

i think it's a)sparta