We study history so we can know solutions to problems that have impacted the human race. We study history to know how our ancestors lived, how they evolved, what type of living condition they were in, what kind of hardships they had,and what solutions they came up with. By studying history we can make our future better and not make mistakes again. The things which are history now would have been someone's present.So in other words,we are studying our ancestors present. Since we can not go back in time we have a idea of what happened at that time.