Otto is a very prominent first name for men (#504 out of 1220, Top 41%) and also a very prominent last name for all people (#1483 out of 150436, Top 1%). Otto reached its apex rank of #67 in the U.S. in the 1880s, and is at #543 presently.
Triangular trade started in the mid-15th century. Trading took place between America, Europe and Africa. It was also referred to as the Trans-Atlantic trade, as the route used to conduct this trade was on the Atlantic Ocean.
The triangular trade The slave trade began with Portuguese, and some Spanish, traders taking African slaves to the American colonies they had conquered in the 15th century. British sailors became involved in the trade in the 16th century, and the Treaty of Utrecht (1713) gave them the right to sell slaves in the Spanish Empire.