Reread the following quotation from paragraph 20: “…he didn’t know the Nazis were trying to slaughter all Jews, something he says he and other prisoners learned only after liberation.” How does this detail contribute to the central ideas of the text?

This detail contributes to the central ideas of the text because it's mentions that be didn't now the Nazis were trying to slaughter all Jews, and that many Jews probably didn't know either.

Explanation:

europe would not recognize the confederacy as an independent nation.

alliances in ww1 were different from ww2 because the entente in ww1 made up of serbia,russia,france,britan,japan and italy later america  and all allied in a sort of balance of power and too keep germany,austria-hungary,and the ottomans down. russia allied the serbians in order to exert its influence in the balkans while france allied the russians because france was still in dismay and insulted after the defeat to the germans during the unification of germany and britian allied the belgians after the germans invasion of belgium.in ww2 the alliances were in a preemptive attempt to deter any further wars into happening while germany and italy allied since they were insulted and humiliated after the previous war while also sharing a similar ideology of facsim along with japan which all 3 had a want for world domination and agreed to assist one another in the endevours 

explanation: