The central aspect of the neolithic revolution was the:
a. first development of hunter gatherer cultures.
b. successful invasion of northwestern africa by turkish nomads from central asia.
c. emergence of systematic food production through the domestication of plants and animals.
d. use of fire and the cooking of food.

zheng he was a chinese explorer who lead seven great voyages on behalf of the chinese emperor. his seven total voyages were diplomatic, military, and trading ventures, and lasted from 1405 – 1433. however, most historians agree their main purpose was to promote the glory of ming dynasty china.

explanation:

d: their own individual powers within the new goverment