A because it some right but I think the answer is a
<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>
The answer is d have a good day
Its Rome because I read this in my class