Plz answer whats a keystone is i am very forgetful

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?

Nthis excerpt from act v of shakespeare's romeo and juliet, friar laurence's letter to romeo is not delivered due to circumstances beyond his control. what is the conflict in the scene?

What theme of antigone do the above events reflects