I'm pretty sure the answer is C he built a steam boat called the North River steamboat also known as the Clermont.
C.both necessities,and jewels
Tricoteuse is your answer
In 1600s the planter class increasingly relied on African slaves for labor majorly because slaves were offering cheap labor now that the planters didn't have to pay for this form of labor. This led to most of them foregoing traditional indentured servants who would be paid for their labor and instead opted for African slaves.
