Answer:
The correct answer is John Ross
It helps them know when something happened and if one event lead to the cause of another <span />
Answer:
B.
Rome's Population fell after famine and a plague
Explanation:
<span>Between 1790 and 1900 American cities expanded steadily. The Industrial Revolution brought new products and opportunities to learn new skills to the common citizen. People left their farms and moved to cities with the hope of improving their standards of living.</span>
