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A primary source is one that is written by someone who experienced the event firsthand. Anne Frank's diary is an example of a primary source. She was the first (primary) person who experienced what happened on that hierarchy.
A secondary source is one that is written about a primary source. It comes second on the hierarchy of receiving historical information because it has to be based on a primary source, which gives the actual information. A history documentary is an example of a secondary source.
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Its the first one prohibiting labor unions,
Answer: European appeasement of German aggression in an effort to avoid conflict
Explanation:
