What is the goal of the x-jt7 description?

Why does black lung aka arthur morgan let only jhon and abigail go and not sadie in the last chapter

Review questions what were the four stated goals of operation reinhard and how were these implemented? how did treblinka, sobibor, and belzec differ from other concentration camps built earlier? how did the nazi party maintain secrecy regarding the final solution? why was the madagascar plan not used? why were some individuals, including wwi veterans, to be spared the final solution?

What does it meam to write about something that went well today and reflect on its causes