Considering Henry's philosophical conclusions regarding nature, what lesson from nature is being hinted at by Crane's image of the corpse in the "chapel."

Henry's entire reason for enlisting in the war was to attain glory. When he sees the corpse in the "chapel," or in reality, the forest, Henry begins to see there is no meaning or glory in this type of death. The rotting corpse is glorious, it's simply a mound of decomposing flesh.