Question

Historians label an event as a turning point when it: A. Marks the beginning of a distant historical period. B. Does not fit the major themes of a historical period C. Affects more than one region during a historical period D. Occurs repeatedly throughout a particular historical period

Answer 1

Answer: Marks the beginning of a distinct historical period

Explanation: just took the quiz

Answer 2

The answer is Marks the beginning of a distant historical period.
For example, the tragedy of 9/11 could be considered as a turning point because it becomes the reason for Government agencies to start various cyber security programs to monitor potential terrorist activities that endanger the safety of the nation's land (which was leaked by edward snowden)