What is the main reason early spaceflight missions were unmanned? a) no one was willing to travel into space. b) the rockets were not yet large enough to carry people. c) the u. s. government wanted to keep the missions a secret. d) the u. s. government knew this was the safest way to test the rockets.

newton is important because he contributed more to the development of science than any other person in history. isaac newton is remembered as the greatest scientific genius who ever lived. his discoveries about physics, light, and mathematics changed the world.

according to the quotation from booker t. washington's 1895 atlanta compromise speech.

in the great leap from slavery to freedom . . the masses of us are to live by the production of our hands . . we shall prosper . . as we learn to dignify and glorify common labor.

washington believed that  hard work had its own kind of dignity.

explanation:

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