I already answered this for you. It's Persian messengers.
Answer:
They convinced the colony of Pennsylvania to abolish slavery.
Explanation:
Apex
<span>It grew out of a dispute about rights to gold in the Black Hills of South Dakota; the gold was on Sioux reservation land and the United States wished to buy it back, but native leaders who were not party to the treaty establishing the reservation refused to negotiate. The first incident in the war was Custer's Last Stand, which galvanized opinion against the indigenous population </span>
