When diverse African empires, small to medium-sized nations, or kinship groups came into conflict for various political and economic reasons, individuals from one African group regularly enslaved captives from another group because they viewed them as outsiders.
It forms in veins no doubt
Egypt seasons are growing, harvesting. They have 3 seasons. We have winter, spring, summer, and fall. We have 4 seasons
When an oceanic plate and a continental plate collide Convergent boundaries are formed.
When a plate of solid oceanic lithosphere leading in one direction strikes with a plate leading in the reverse direction, one of the plates subducts below the other. Where this happens an oceanic depression forms on the sea and the drowning plate converts into the subduction zone. Moreover, Island arcs and oceanic channels occur if both of the plates are composed of oceanic crust.