Answer:
It is an observational study
Explanation:
In an observational study, nothing changes, all the researcher has to do is to record findings, it is a study that involves the collection of data in a real-world setting without intentionally manipulating any variable. On the contrary, an experimental study involves the manipulation of variables, you have the control group and the test group, the test group is subjected to the treatment.
Answer:
I think it is c, "They thought the poor were responsible for their own problems." Although, I am not too sure about it, anyways, I do hope it helps.
Hitler believed that Germans were members of a superior group of races called "Aryan."