Answer:
The answer is letter b. about 2,200 years ago
Explanation:
Eratosthenes of Cyrene was a mathematician, grammarian, poet, geographer, librarian and astronomer from Ancient Greece, known for calculating the circumference of the Earth in 200 BC. He was born in Cyrene, in Africa, and died in Alexandria. He studied at Cyrene, Athens and Alexandria. The contemporaries called it "Beta" because they considered it the second best in the world in several aspects.
John Locke.
" the Declaration of Independence draws heavily on the ideas of Enlightenment thinkers such as John Locke. much of what Jefferson wrote in the Declaration comes directly from Locke's ideas about government."