Answer: Aqueducts
Explanation: They were first developed around 312 B.C., these engineering marvels used gravity to transport water along with the stone, lead and concrete pipelines and into city centers. Aqueducts liberated Roman cities from reliance on nearby water supplies and proved priceless in promoting public health and sanitation.
Answer: nomadic
The first Texans were nomadic hunters. Between approximately 12,000 to 8,000 years ago, small bands of hunters were living in Texas.
Explanation:
Two primary causes of ww1 is the assassination of the arch duke Francis Ferdinand and the system of alliances.
I think the answer is tropical wet
