Khan Academy: Technology in World War I Upon conclusion of viewing the video, please answer the following questions (Should be a minimum of one page): Discuss the different types of gas used during World War I, and describe the varying effects of the different gases used. What was the impact of the use of tanks during World War I? What advantage did they give their users? The use of submarines was significant in the war. Discuss why the Allies were so upset about the Germans’ use of the submarine. Discuss briefly the most interesting new knowledge that you obtained.