<span>A turning point is a specific, significant moment when something begins to change. Turning point in the history is an event followed by big and important change (political change, social change, ...). </span>Periodization is determining why and how historians divide up history.
Turning points are important in the process of periodization because <span>they mark the beginning and ending of different periods (C).</span>
Hello there,
Individual wealth is not taken into account, so it's a poor indication of prosperity in general. They are doing this to measure quality.
Hope this helps.
~Jurgen
