What caused the First Barbary War?

The cause of the war was pirates from the Barbary States that was making fun of American merchant ships and holding the crews at ransom, ordering the Uunited States pay tribute to the Barbary rulers.

hope this helped Johnny Joestar.

the option which was not a function of missionaries in the northwest was the first one - they established posts for trading furs and other goods.

missionaries were sent around the world to spread religion and their knowledge and others - they were not merchants who sold furs and other goods.

the answer should be a. the sui empire, the tang empire extended from korea in the west to manchuria in the east.