Who wrote "the adventure of the blue carbuncle"? a. sir arthur conan doyle b. henry baker c. dr. joseph bell d. dr. john watson

It's (A) we have discussed this book before

It developed as a reaction to the impact of european colonialism in africa on peoples of african descent. in the  mid-20th century, activists in africa adopted pan-africanism as a rallying cry for independence from colonial rule. some african pan-africanists sought to unite the continent as one independenthope it was useful

Ithink its c) the conditions in the factory have never been questioned by the employee.