History is important because it teaches us about past. And by learning about the past, ypu come to understand the present, so that you may make educated decisions about the future.
Kitobning ushbu versiyasida siz elektron versiyadan audio versiyaga (yoki aksincha) osonlikcha o'tishingiz va asarni oldingi to'xtagan joyingizdan davom ettirib o'qishingiz yoki tinglashingiz mumkin.