The two quotations that best support the idea that Katherine Johnson is important to U.S. history are:
- (Choice C) “Then in 1962, Johnson helped astronaut John Glenn to be the first American to orbit the Earth.” (paragraph 6)
- (Choice E) “Additionally, Johnson contributed to Apollo 11’s milestone 1969 moon landing.” (paragraph 7)
Step-by-step explanation:
here's the reasoning behind the choices:
- (Choice C) This quote highlights Katherine Johnson's significant contribution to U.S. history by mentioning her pivotal role in helping astronaut John Glenn become the first American to orbit the Earth. Her calculations and expertise were essential for ensuring the success of this groundbreaking achievement, making her an important figure in American space exploration history.
- (Choice E) This quote emphasizes Katherine Johnson's importance to U.S. history by mentioning her contribution to the Apollo 11 moon landing in 1969. Her calculations played a crucial role in ensuring the safe landing of the spacecraft on the moon, which was a historic milestone for both the United States and humanity as a whole. Her work contributed directly to one of the most iconic moments in space exploration history.