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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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Answer:
Through the criminal experience gained and the political connections established in gambling and prostitution rackets in the early 1900s, gangsters had become well prepared for the exploitation of Prohibition, which was ratified as the 18th Constitutional Amendment in 1919.
Ukraine is sometimes called the “breadbasket of Europe.”
