According to Wertsch (2002), one reason is the dissonance of the narrative model that characterizes the memory of a national past.
Why is it difficult to teach history?
The teaching of historical facts that formed the current society is a challenge for the teacher who can find students who are not motivated to learn content that does not generate an immediate usefulness, but presents a philosophical and more subjective character in some cases.
Therefore, the challenges of making sense of history in the modern era are related to the refutation of versions that influence or contradict socially accepted values, such as equality for example.