Idon't understand the princpal behhinid the subject for study history?

Studying history is important because it allows us to understand our past, which in turn allows to understand our present. ... Studying history can provide us with insight into our cultures of origin as well as cultures with which we might be less familiar, thereby increasing cross-cultural awareness and understanding

that is because lower interest rates allowed people to work harder to make money. it multiplied like that and now the uno(not the game) is very strong.

i like trains