The correct answer is He heard loud noises and was curious.
Explanation:
As soon as Henry was walking through the forest, a great rumble surprised him from a distance. The whole set of sounds he began to hear left him paralyzed.
At that moment, Henry starts running towards the battle.
He thought: <em>"if the earth and the moon were about to clash, many persons could doubtless plan to get upon the roofs to witness the collision."</em> This demonstrates the great curiosity he felt for what he was hearing, and that was the reason he returned.
In chapter 8 of the Red Badge of Courage, the thing that caused Henry to turn back to the frontline after fleeing is that He heard loud noises and was curious.
They are not synonyms of each other, but both are used as synonyms of the word "unbiased." Each word has a very broad meaning, and the meanings only intersect when describing an unbiased opinion or view.
