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Answer:
They said nothing can fly in the vacuum
Explanation:
Very soon after people managed to make a machine for a flight (airplane) they have explored the Earth in total. Soon they started with ideas of exploring space. In the 1920s Robert H. Goddard made the first rocket that set ideas about exploring space. Goddard made the claim that rockets will reach the moon.
However, there was much doubt among people. T<u>he newspaper publication, The New York Times, dismissed this idea with the claim that nothing can fly in the vacuum – space lacking any matter. </u>
<u>Only after the first man have managed to reach space and the moon have they been convinced this was not true.</u>
Depending on the context of the letter, you would need an introduction, a greeting, your reason for writing this letter, what you would want to add to your letter, an ending, and your name at the end.
It is a quote made when slavery was there is the United States, when most of the people tried to discriminate people on the basis of their race.
If you're asking in Grammatical aspect, then there is nothing complex in this sentence, just means, that if you are black that it's a bad thing [ just by this quote ]
Hope this helps!