Correct answer choice is :
A) Traders provided a regular supply of guns to tribal leaders.
Explanation:
Territorial borders are indicated in the present boundaries within modern West African states, dividing over ethnic and cultural lines, usually cutting single ethnic associations among two or more states. Early human immigrants came in West Africa around 12,000 BCE. European tradesmen first became a force in the territory in the 15th century. The nonstop African captive trade continued, with the Portuguese taking numbers of captives back to their country for use as workers, but, it would not start on a grand scale till Christopher Columbus's journey to the Americas and the following search for affordable colonial labor.
