B they are les secure than traditional payments.
By their behavior and how the react and understand to everyday life from other people.
It depends what the choices are unless there is not specific choices.
1.reasons for decline are unclear/<span>b.Inca
(many experts predicted that they're suddenly wiped out by diseases)
</span>2.chose rulers through a system of heredity/<span>a.Maya
(the rulers of Maya inherited their position from their closest male parents or guardian)
</span>3.established a tribute empire/<span>c.Aztec
(the tribute mostly consist of farm animals, land, and women)</span>
