The correct answer is <span>c. transported groundwater from a distance
It wasn't the first known use of wells as wells older than them were found in places like Cyprus and Egypt and Austria who were as old as 6000-8000 years before common era. It also wasn't a postindustrial system as it was used in ancient china in the expansion of trading during the silk road trading era. It only leaves C as the correct answer.</span>
Hi,
The Lusitania was sunk in 1915 and the US did not enter the war until almost two years after the sinking. The sinking of the Lusitania and the American reaction to that sinking caused the Germans to temporarily halt their policy of unlimited submarine warfare.
Side note: Found the answer with this link :)
https://www.enotes.com/homework-help/what-impact-did-sinking-lusitania-have-what-came-418703
<span>Mesopotamia was crossed by two long rivers, the Tigris and Euphrates. These two rivers allowed the development of agriculture. Water from the two rivers was</span>
This would be By describing the words and actions of African ancestors and past events.
So c.
Hope this helps!