Use the passage to answer the question.Excerpt from President Calvin Coolidge's Address at the Awarding to Col.Charles A. Lindbergh by the National Geographic Society of the Hubbard Medal, Washington, D.C.Taking little time to recover from the strain of his experiences, he [Lindbergh] started on a missionary tour of over 22,000 miles. Flying in his Spirit of St. Louis, the "Spirit of America" visited 82 cities in our 48 States. Only once did he fail to arrive on scheduled time, establishing a record for reliability. He spoke not about himself but for airways and airports in 147 speeches and 192 messages dropped from the clouds. Because of what he has said and done we are told aeronautic plans for 1928 indicate an activity far beyond any dreams of six months ago.19. According to the passage, how did Charles Lindbergh's flight affect the aviation industry?A. The aviation industry increased activity far beyond expectations.B. The aviation industry performed below expectations set by industry leaders.C. The aviation industry required money and support from the U.S. government to survive.D. The aviation industry grew slowly despite Lindbergh's efforts to promote more air travel.

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