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: The emperor did many things to unite China. Including building The Great Wall, standardizing currency and weight measures and building roads from and to many places inside the country. That being acknowledged, there are only two answers that represent those deeds.
Explanation:
To answer your first question, early Muslim women were treated with respect and had the same amount of rights as men. for example, they could own property, gain an education etc. for example, Khadijah the wife of Prophet Muhammad was a very successful businesswomen in trade.
second question: as Islam spread, people intertwined their culture with Islam. for example some people believe that in islam women are not allowed to pick their own husband and instead have an arranged marriage. however this is a cultural belief, common in places such as Bangladesh and Pakistan.
Han Artisans. Hope this helps!