Answer:The 100 Year Starship (100YSS) is a joint U.S. Defense Advanced Research Projects Agency (DARPA) and National Aeronautics and Space Administration (NASA) grant project to a private entity. The goal of the study is to create a business plan that can foster the research and technology needed for interstellar travel within 100 years.
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The fact that its bothe French and American efforts shows an aliance almost.
Explanation:
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support
main points are there to support the thesis
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Guide is a simple subject