kikipie489
kikipie489
09.12.2020 • 
English

You are writing a research paper on the aviator Charles Lindbergh and his connection to the U.S. Air Mail service. What is the best phrase to type into the search box if you want to conduct a Boolean search? Lindbergh AND U.S. Air Mail
Lindbergh AND U. S. AND Air Mail
U. S. Air Mail NOT Lindbergh
Lindbergh OR U. S. Air Mail

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