Gold trade and kingdoms played an important role in the birth of the slave trade in africa. while slavery was common in africa, it became a lucrative commercial business when started buying slaves. african rulers encouraged this trade as it made them wealthier.

Gold trade and AFRICAN kingdoms played an important role in the birth of the slave trade in Africa. While slavery was common in Africa, it became a lucrative commercial business when ARABS started buying slaves. African rulers encouraged this trade as it made them wealthier.

The African slave trade was one of the practices carried out with slaves obtained in Africa, although the general use of the expression restricts geographical location to sub-Saharan Africa or "black Africa", identifying as "blacks" the subjects of such slave trade. In spite of being such a denomination a stereotype that does not really indicate any scientifically established anthropological category, the identification of its physical features, especially of dark skin, was the basis of its racial discrimination.

answer: your option is d

explanation:

the correct answer option is: weapons.

explanation:

tensions rose as the two opposing superpowers competed for 'weapons'.

referring to the cold war (1945-1991), the two superpowers, usa and ussr, experienced a phase of struggle and conflict with each other. these two superpowers considered each other as a threat to their survival and thus opted for policies to strengthen their positions.

the two superpowers never went to war with each other directly but competed for weapons to preserve their positions.