Identifying Somber Tone in Historical Context

Read the following excerpt from a historical article:

'As the sun set over the battlefield, the air was thick with the smell of smoke and lingering tension. Soldiers, weary from the day’s conflicts, gathered around flickering campfires, sharing stories of valor and loss. The historian notes that such moments were crucial in maintaining morale, as they highlighted the bonds forged in the crucible of conflict. However, amidst the camaraderie, there was a palpable undercurrent of fear and uncertainty about what the next dawn would bring.'