Changes
/* Late 19th Century */
As the scene changes, guests see the Great Hall in Philadelphia, which is hosting the Centennial International Exhibition of 1876. In front of the hall, four booths rise up housing: Mark Twain, Alexander Graham Bell, Andrew Carnegie, and Susan B. Anthony. As Susan B. Anthony gives a short speech advocating for women's suffrage, Mark Twain informs guests that they are back in Philadelphia again, and that America is a hundred years old today. Carnegie, Twain and Graham Bell then discuss the latest inventions of the day, with Carnegie summing up that it is the “age for grand ideas”. Graham Bell and Anthony chime in that it is also an era for innovation, and a dawn of new awareness.
As the booths descend, guests are shown dioramas which feature the latest technological achievementsadvancements. Among the inventions featured are the light bulb, trolley, moving picture, and the airplane. Following these achievements, Mark Twain observes that the country was flying into the 20th century on the wings of invention and the winds of change. Because of the changes happening in the country, Twain also observes that we America needed people like Teddy Roosevelt and John Muir to lead usit.
===Early 20th Century, WWI and the Great Depression===
