The answer would be B. Aztec
They are essential elements of: <span> the DAP concept.
</span><span>. the DAP concept aimed to determine at what age Children should start their education in order to achieve the most effective education.
</span>The concept is based on integrating early habits with desirable behavior in the education process.
Slaves were used to work on farms and do chores for their "owners".
Answer: I sadly am stuck on this question, i hope nother person can help!