The answer is “D”
Hope this help.
Marie curie - discovered new elements
Louis Pasteur- created vaccines
Gregor Mendel- discovered heredity
Joseph lister - proved the importance of sterilizing medical equipment
George Washington carver- pioneered new agricultural techniques
With the Arms and Space Races becoming increasingly important, Kennedy knew he needed to crush communism as well, to show the Soviets that it was unacceptable for their govt. to spread.
This is a complex question, but I believe they are not valued as highly as men. For example, there was a law that Chinese couples could only have one child. If they had another child, they had to give it up for adoption. Because females are not as valued, many couples who gave birth to a daughter would give them up for adoption and try for a son instead. This led to a lot of Chinese girls being up for adoption
The crew themselves only gave the mission a fifty-fifty chance of fully succeeding. Upon returning to Earth, Borman received a telegram from a stranger commenting on the mission's outcome by simply stating: “Thank you Apollo 8. You saved 1968.”