Answer:
The salute was evidence of how the Nazi were a group of people who were brainwashed because the salute resembled the Nazi salute is the third wave salute a key detail on the experiment and in the text’s central idea.
What is text’s central idea?
The essential idea is what the author is trying to convey. It makes the main point of the writing clear. Texts may have several essential concepts for various paragraphs or sections, or they may have a single overarching central idea for the work as a whole.
The main idea can frequently be stated in a single sentence. Julia's report card revealed poor grades. She didn't show her parents her report card because she was worried she would be in trouble. After learning about her grades, her parents admonished her for attempting to hide the information.
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