B and c because usually those assassinations were broadcasted to the audiences
The overall purpose of John F. Kennedy’s inaugural speech was "<span>to inform the nation and the world that the US is ready for war if necessary" since he wanted to inspire confidence. </span>
They believed in Equal rights and they think all races to be equal and treated with the same respect.
Inventor and entrepreneur Sarah E. Goode was the first African-American woman to be granted a patent by the U.S. Patent and Trademark Office, for her invention of a folding cabinet bed in 1885. She died in 1905. ((Her invention of folding a cabinet bed))