Who is Bruno's mother referring to when she says some people make all the decision shot us?

Bruno's mother is referring to the higher authorities and figures of power in their lives, particularly those who dictate their circumstances and decisions. In the context of "The Boy in the Striped Pajamas," she is likely alluding to the Nazi regime and its leaders, who control the fates of many individuals, including her family and those in the concentration camp. Her statement reflects her frustration with the lack of autonomy and the impact of these decisions on their lives.