What did jefferson do to stop the barbary states from pirating american ships?

He created the Embargo Act and he also launched the US navy at the Barbary States.

Explanation:

Since the Barbary Pirates were stealing US merchant boats, he first created the Embargo Act, which prohibited trade with other countries (at least for the time being). He then launched ships into the Mediterranean, resulting in the first Barbary War, that the US won.

the right answer is the third one: turnpikes went short distances to connect markets. turnpikes, also known as toll roads, were very important for trade and transportation (of people, goods and products) in the 19th century, coinciding with the expansion towards the west. they contributed significantly to the economic development of the united states.