The answer is C.
As a science website says, "Scientists think they know why the Ancestral Puebloans disappeared. The primary culprit, studies suggest, was a megadrought that would have made it impossible to grow enough food to feed the tens of thousands of people living in the region."
If you didn't know, drought represents the lack of rain.
In the 1861 and 1862,they stood as relatively equals combatants
Answer:
<em><u>The Great Depression and international trade are deeply linked, with the decline in the stock markets affecting consumption and production in various countries. This slowed international trade, which in turn exacerbated the depression.</u></em>
