O A. The poem uses "dividend to refer to payment from the military.
Explanation:
The word "dividend" was used in the sentence to represent a salary, a bonus. In the context of the poem, the author reveals that soldiers live with the expectation of death in their lives and in their work during the war. This means that soldiers have nothing guaranteed for the future, they should not expect wages, nor moral, physical, economic, or social bonuses, as they can die at any minute.