Answer:
Eratosthenes (Greek mathematician)
Explanation:
What is Eratosthenes famous for? Eratosthenes measured Earth's circumference mathematically using two surface points to make the calculation. He noted that the Sun's rays fell vertically at noon in Syene (now Aswān), Egypt, at the summer solstice.
Answer: " that of the expanse of the United States being too big for Republican Government to work"
hope that helps
The government restricted the reservation lands by setting boundaries for each tribe
