The Answer is D. They help to expand slavery westward
Hopefully this help I just took the test
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.
Multiple choice? if you do then pass it to me so I can see if I can help you okay.
Shell shock is basically PTSD and it was thought to be caused by soldiers being exposed to explodeing shells
Answer:
cedar wood that's the answer
