The changing population center of the state.
People tend to follow natural resources/climates and typically exhaust the resources wherever they settle before moving on to a new place. The centers of activity were mostly centered around a body of water in earlier times but today, they are probably centered around large urban areas with factories and businesses.
Hello. The answer to your question should be ''commune''. Hope this helps!
Well in this period, it is considered the old stone age and for good reason, as this era is characterized by the use of rudimentary chipped stone tools. Basically it was the era when human started using tools that were made from stone. Or in other words, innovated.