Before the arrival of European New Imperialism, decades of African tribal rivals spanned African history. During the transatlantic slave trade (14th-19th centuries), many warlords would kidnap and sell Africans belonging to other tribes for profit. These incidents led to generations filled with resentment towards other tribes, most going to war with others. When New Imperialism began its descent upon Africa, European nations utilized African rivalries to their advantage, dividing and conquering African territories. It was futile to resist this strategy even during its early stages as language barriers between African tribes prevented large coordination of African people(s) against European invaders. The Zulu empire and Boers were victims of this strategy as both fought in a civil war against another, whilst fighting the approaching British invading force. Additionally, African tribes were vastly technologically inferior to European forces. European steamboats, guns, and medicine helped the invading forces last longer in the hostile environments of