Re-read the answer because B and D are really good answers but I'm pretty sure D is the answer
Eratosthenes (276-194 BC) was a Greek mathematician and astronomer who made an amazingly close calculation of the actual circumference of the earth. He did it by noting the angle of shadows in two cities during the summer solstice, and then doing geometric calculations that factored in the distance between the cities.
Oh, and besides math and astronomy, Eratosthenes was also a poet and music theorist, as well as pretty much inventing the field of study we call geography today. He was what we would call a "polymath" (a person of knowledge of all sorts of things) -- or, what the Greeks called a <span>Πένταθλος (pentathlos).</span>
C. For slavery was abolished at the end of the Civil War in 1865
Answer:
It marked the end of unlimited autocracy in Russia.
Explanation:
The document issued by the emperor Nicholas II that, in effect, marked the end of unlimited autocracy in Russia and ushered in an era of constitutional monarchy.
Answer:
They felt the Proclamation was a plot to keep them under the strict control of England and that the British only wanted them east of the mountains so they could keep an eye on them.