Which of the following is an example of relative chronology? A.)the United States responded to the Pearl Harbor attack by declaring war on japan
B.)September 11,2001 is a date not easily forgotten
C.) the civil war ended on April 9, 1865
D.)prohibition was repealed on December 5, 1933

  A.)  the United States responded to the Pearl Harbor attack by declaring war on japan

Explanation:

"Relative chronology" has to do with putting events in sequence relative to each other. A "chronology" or "chronological order" has to do with putting events in sequence relative to some time reference, such as a clock or calendar.

Of the examples listed, the one showing (two) events relative to one another is the example of "relative chronology:"

  the United States responded to the Pearl Harbor attack by declaring war on japan