Answer:
D is the correct answer
Explanation:
Periodization is the categorizing the past in blocks of time for the study and analysis of the history and to understand the current and historical processes. Since history is continuous, no system of periodization is perfect and without periodization, the past is just scattered events. The period labels in history are not permanent, they are constantly challenged as discoveries happen and historical events come into the light.
<span>Installment plans helped the American economy to grow during the 1920’s. As more modern appliances were being produced, installment plans helped people who were not rich to be able to purchase these items. Because the middle class was able to purchase these items, demand was high which created more jobs for people in factories and more opportunities for companies to grow.</span>
A long time ago like big reptiles
Explanation:
Answer will be D They were developed by early historians
