Answer:
The Rhine and the Danube.
Explanation:
The rivers forming the north and east border of the Roman Empire are the Rhine and the Danube.
I Think The answer is d I hope it helps Message Me if I’m wrong and I’ll change My answer and fix it for you
Switch out the soil with more fertile soil
Answer: C
Explanation: The Enlightenment included a range of ideas centered on the pursuit of happiness, sovereignty of reason, and the evidence of the senses as the primary sources of knowledge and advanced ideals such as liberty, progress, toleration, fraternity, constitutional government, and separation of church and state.