Answer:
"A one-party system is a form of government where the country is ruled by a single political party, meaning only one political party exists and the forming of other political parties is forbidden.
Puritans were forced to leave England and Europe because they were being persecuted for their religious beliefs
Source: https://owlcation.com/humanities/Why-Did-the-Puritans-Really-Leave-England-For-The-New-World
John d rockefeller
Trust or Monopoly created by John D. Rockefeller that eliminated competition through Horizontal and Vertical integration of businesses. Was the topic of criticism in Ida Tarbell's The History of Standard Oil