Making personal connections is an important reading strategy, because it allows the reader to feel connected to the characters in a way which helps them understand how the characters think and act. It could also make us sympathize with them and justify their actions, just because we feel like we can relate to them.
Salva was moving with the crowd of people without his family members. He was pretty sure that his uncle died because the men murdered his uncle righr before Salva's eye.
Marial and his uncle were not next to him and Salva himself knew that they would never be seen again.
His uncle shared the food with everyone around him, but things changed Salva had to beg people for food.