C. It allows you to remain silent when arrested hope this helps
c. The establishment of global empires
The belief that the united states had the right to expand its borders and claim new lands
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.