that bikes may know peak inspired the poem that became america the beautiful by katharine lee bates. she came here to teach a course at colorado college in 1893. during her stay, she took a wagon ride to the top of the mountain. the view down to the plains from the top of the mountain inspired imagestry, inspired the that are captured in the poetry of the united states. we think of pike's peak is not only symbolizing this one location, but in many ways the beauty of it and majesty symbolizes the entire country. >> throughout the weekend, american history tv is featuring colorado springs colorado. learn more about colorado springs and other stops on the tour on the website. american history tv, all weekend, every weekend, on .-span3 >> next, the societal shift that occurred during the early 20th century as modernization impacted businesses and households. igo focuses on the literary works of the christine frederick and frederick winslow taylor, who sought to improve industrial efficiency. this class is about an hour and 20 minutes. >> all right. great. hello, everybody. as you know, w