This product consists of six video viewing guides that go with episodes of the History Channel's awesome series 'Engineering an Empire.' Each video is ~45 minutes long, and each viewing guide includes 19-25 questions, covering the whole video.
All of the videos are available free of charge on YouTube, or can be purchased on DVD from the History Channel.
Links to free full-length videos of episodes included:
Keywords: Aztecs, Catherine the Great, Cyrus, Darius, Great Wall of China, History Channel, Industrial Revolution, Ivan the Great, Napoleon, Persian Empire, Qin dynasty, terra cotta soldiers, Xerxes, videos, video viewing guides, YouTube.