Answer: <em>b) China </em>
Explanation: <em>:)</em>
This may help....
<span>Initially, mankind were hunters and gatherers, picking up whatever they could find to eat, and continually on the move looking for more food. Once mankind discovered it could raise its own food on farms, people began to settle down in permanent locations. They were no longer living from day to day, and could even store food for future needs. Small towns and eventually cities developed. This gave mankind the time to start more intellectual pursuits, such as writing.</span>
A theory is a hypothesis that is proved to be true through rigorous scientific methods of verfiication, mathematical and scientific arguments. Theories escalate into laws more when found out to be a natural fact. In this case, the answer would have to be A.
