What were the three purposes of "black codes"

lack codes were strict local and state laws that detailed when, where and ... they lived and how they traveled and to seize children for labor purposes. ... At the start of the 1880s, big cities in the South were not wholly ... an Andrew Carnegie-funded library, a hospital, three cotton gins, a bank and a sawmill.

Explanation:

he armenian genocide, also known as the armenian holocaust, was the ottoman government's systematic extermination of 1.5 million armenians, mostly citizens within the ottoman empire.

explanation:

the answer is mass marketing.