Why doesn’t Paul want to tell Kemmerich’s mother about how her son died?

Paul is surprised at the intensity of Kemmerich's mother's grief because his own senses have been completely dulled by his experiences in the war. ... In his frustration at her reaction, Paul rather tersely tells Kemmerich's mother that her son's death was intantaneous and without suffering.

Explanation:

i think it was because of how protected egyptian civilization was was which allowed them to evolve without much outside influence.

the group i'm selecting: greeks.

a first group of greek immigrants came to the us in the 1850s. the second group came to america starting in the 1890s due to economic opportunities they didn't have back in their home caused by the hardships of ottoman rule. greek immigration was 90% male, many of them expected to work and return to greece after earning enough capital, but ultimately had to remain in the us after the greek genocide.