It is very useful for kids in high school, to understand the great chanching in our world. The history is useful to undestand our past and have a idea of the future wich is coming. To learn history is a expiriance to undestand ourselfs. It is a great subject. Unfortunily in Brazil this job has no value, because the politics and leaderships don´t want to have a wise people with ability to think and decide. the only freedom cames with knowledge.