Nixon, 418 U.S. 683 (1974), was a landmark United States Supreme Court case that resulted in a unanimous decision against President Richard Nixon, ordering him to deliver tape recordings and other subpoenaed materials to a federal district court.
Explanation:
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porter is writing economic history because he is focusing on the cost of developing vaccines.
Population growth during the gilded age was due in large part to unemployment among workers. an improved food supply. better health care. immigration to the united states.