What did Jefferson do to stop the Barbary states from pirating American ships?

A. he blockaded the caribbean sea
B. he blockaded the port at tripoll
C. he blockaded the port at new orleans
D. he blockaded the french way

"He blockaded the port at Tripoli"

Explanation:

would be the best option in terms of what Jefferson did to stop the Barbary States from pirating American ships, although this was not completely effective.

secretly cooperate with one another.