The national judiciary hears cases involving federal law and interstate cases. It also interprets the constitutionality of laws.
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Examples of a secondary source are: Publications such as textbooks, magazine articles, book reviews, commentaries, encyclopedias, almanacs.
Richard Nixon was the 37th president of the United States from 1969 to 1974. He is the only US president in history to have resigned from office. This was due to the Watergate Scandal, which was the release of tapes that involved the Nixon Administration incurring in unethical acts in order to gain political advantage over the Democrats. These practices included the use of espionage tactics and harassment over opposing political figures. As a response to an imminent impeachment and removal from office, President Nixon decided to resign.
The New Stone Age, the time period after the Paleolithic Era, marked by the use of tools
