According to many first hand accounts, why were africans sold into slavery and shipped to the americas?

a
european slavers arrived with the specific purpose to steal africans for slave labor in the colonies.

b
african kingdoms such as songhai and benin sold their captive enemies into slavery.

c
europeans traded native american laborers for african laborers with african kings.

d
african slaves were sent to the middle east and traded with europeans for goods, then shipped to the americas to process raw materials.

well first we can compare on what the slave masters ate and what the slaves ate well the masters ate fancy great food like chicken rice mash potatose and stuff like that and slaves ate well food that your not suppost to eat like the weird parts of turkey and chicken and slaves master chilled beat and eat and slaves work get beat and get little of sleep there you go

geography

this is because warmer climates often don't get people sick from the flu and regions where it was often colder more people received the flu. hope this if you need more reasoning i am here to