Why did europeans and americans turn to africa for slave labor

Which is true about pontiacs war in 1763

Which physical feature minimizes population density in northern africa?

Historians have recently discovered a historical journal published in the early twentieth century. the journal contains facts based on original sources about the downfall of the early byzantium empire. historians consider this long-lost journal to be a breakthrough in their understanding of the byzantium empire. based on this information, the journal is a source.