The correct answers are a. learning and the arts flourished, supported by the thriving gupta economy and c. gupta artisans produced goods sold locally and as far away as the middle east and southeast asia
These are evidence that explain their prosperity.
The first one "The government is corrupt"
Answer: I think the answer you have is right.
Explanation: The trenches were uncomfortable, muddy, and cold ditches dug into the ground where soldiers lived and shot from, they helped to protect the soldiers from getting shot and killed, but didn't keep them entirely safe, so there were still death in the trenches.
Why endure all that if they didn't believe in what they were fighting for, like the answer you have.
I hope this helps!
If it did, would you mind marking brainliest :)