History's predictive value

History is useful as a tool to predict the future because trends from the past can be analyzed in order to predict the future. Xin predicted the duration of the Ming and Qing dynasties quite accurately and I predicted the religion and gender of the two dynasties easily because of the constant trend from the early Chinese dynasties. Allie also accurately predicted the political structures of the two dynasties. These correct predictions of the "future" show that history can have a great predictive value.