How is Mammy's view of the war shaped by Ahmad and Noor's participation?

Mammy has no choice but to support her sons in their war effort. Believing in her sons meant believing in their case, even after their are killed fighting, “The various communist regimes that has held power since the night Laila was born were all defeated. Mammy’s heroes, Ahmad’s and Noor’s brothers-in-war, had won.”