Answer:
Option: B the labor provided by Africans who had been enslaved.
Step-by-step explanation:
The early development in the early colonial industries in America would not have been possible without the help of enslaving people bought from Africa. After the arrival of European in America, settlers main concern was to establish a settlement for starting a new life with its resources available in the New World. Labour was required to clear the forests, tend the farms, and work in the developing seafaring industry. Slaves helped settlers in assisting businesses, plantation, small industries, domestic work, etc.