Answer:
naturalist Charles Darwin
English naturalist Charles Darwin developed the idea of natural selection after a five-year voyage to study plants, animals, and fossils in South America and on islands in the Pacific. In 1859, he brought the idea of natural selection to the attention of the world in his best-selling book, On the Origin of Species.
Answer:
the importance of unity
Explanation:
America is very divided, we have little sense of self and the importance of the united states being unified was one of the main things in Washingtons fairewell adress.
Nixon promised to find a way to peace with honor.
I'm sorry, but you didn't list the statements. If you would comment back on this, I would gladly help you. :)
Slang is the name for words and expressions from a specific time