Which of the following was a major reason why an agricultural or industrial revolution never developed in africa? a. africa lacked the necessary raw materials. b. the gold and ivory trade in africa was too profitable. c. africa's workforce was depleted by the slave trade. d. the majority of land in africa was infertile.

C.

Explanation:

africas workforce was depleted  by the slave trade

 The correct answer is : What disturbs him most is that Hally forgets that his friendship with Sam and Willie can bring them trouble.

Explanation:  Hally cannot see that he and his family are in favor of racism and oppression, but he was a lonely child who had no good relationship with his father. Hally is a white boy and Sam and Willie are black. This friendship was not well seen and was forbidden. Hally shares with Sam racist jokes.