What is historical amnesia?

Social amnesia is a collective forgetting by a group of people. ... In the U.S., social amnesia has been said to reflect "the tendency of American penology to ignore history and precedent when responding to the present or informing the future...

Explanation:

https://en.wikipedia.org/wiki/Social_amnesia#:~:text=Social%20amnesia%20is%20a%20collective%20forgetting%20by%20a%20group%20of%20people.&text=In%20the%20U.S.%2C%20social%20amnesia,or%20informing%20the%20future...

answer; i believe that the correct answer is ( rivers);