They made Channels underground a lined with clay to prevent sepage in the surrounding soil. They were a big contribution and we still do something inspired by that today.
Answer:
<h3>The most straightforward theory for Western Rome's collapse pins the fall on a string of military losses sustained against outside forces. Rome had tangled with Germanic tribes for centuries, but by the 300s “barbarian” groups like the Goths had encroached beyond the Empire's borders</h3><h3> Rome began to face many problems that together allowed the fall of the Roman Empire. The three main problems that caused Rome to fall were invasions by barbarians, an unstable government, and pure laziness and negligence.</h3>
The trade route to Byzantium is what led to all the others.
Hope this helps :)
~Davinia.
Answer: C (love the RM profile pic btw)
Explanation: Elected officials tried to help supporters from various backgrounds. Have a relaxing day <3 pls mark me brainliest !!>
All of them are good answers but it would have to be the second quote because it gave them access to trade with China and they don’t have to fight over who gets to trade with China