Archaeologists and Anthropologists
Nazis built extermination camps equipped with huge gas chambers that could kill as many as 6000 human beings in a day. Those labeled as weak would die. They were told to undress for a shower and then led into a chamber with fake shower heads. After the doors were closed, cyanide gas poured from the shower heads. All inside were killed in a matter of minutes.
also if you use quizlet website it also has history stuff on there to.
After the Civil War, Kansas was advertised as a good place for African Americans to settle. The 1859 Kansas Constitution opened the state to all settlers regardless of their ethnic or racial background. In the 1870 census blacks made up 4.6 percent of the state's population.
D is the correct answer