How and why did European, Native American, and African societies after contact with one another?socially, economically, and politically?

adopted the practice of proskynesis, a persian court custom that involved bowing down and kissing the hand of others, depending on their rank.

a. men

and during later times male slaves as well

how is this a question? but yes, they were. if i recall correctly, it was very handy for native americans to use buffalo skin.