1. what are the three parts of the "triangle trade”?

On the first leg of their three-part journey, often called the Triangular Trade, European ships brought manufactured goods, weapons, even liquor to Africa in exchange for slaves; on the second, they transported African men, women, and children to the Americas to serve as slaves; and on the third leg

Explanation:

that would be the steamboat because none of the other things are forms of transportation