Electricity - Helped increase production in factories by lengthening the work day (lightbulb) and powering faster machines., Telephone and Satellite Communications - Similar to the telegraph, these inventions brought people together by allowing information to be passed faster from one point to another. This allowed business to be conducted and managed from multiple locations at once., Petroleum-Based Products - Edwin L. Drake struck oil in 1859, enabling kerosene production and paving the way for future products such as gasoline and creation of better factory machines, and transportation methods., Steel/Bessemer Process - Necessary to help build the transcontinental railroads that would be major social and economic drivers in the United States. Greatly impacted the industrialization efforts in the early 20th century., Motion Pictures and Television - Both remain popular forms of entertainment, yet the invention of television allowed for a shift in consumer dollars away from theaters. Theaters first became popular in the 1920s., Farming Technology (McCormick Reaper/Steel Plow) - Helped meet the need to increase agricultural output to feed a growing population. Helped make settlement of the Great Plains possible., Machine Guns - Increased the number of casualties in WWI. Led to the use of trench warfare (trying to protect yourselves from machine guns) which led to a stalemate during WWI (little progress made in war for two years)., Airplanes - Used for reconnaissance (spying) in WWI as well as for bombings and machine gun fighting towards the end of the war. In the Roaring 20's Charles Lindbergh was the first person to fly across the Atlantic, Submarines - Popularized by Germany's U-boats and their use of unrestricted submarine warfare during WWI. Used to blow up allied ships during WWI., Poison Gas - Germany first introduced chlorine gas against the allies in April 1915. Led to the creation of gas masks and the term chemical warfare (still used today),

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