The important contribution to navigation made by Eratosthenes in the third-century bc was a reasonably accurate calculation of the circumference of our planet.
Who is Eratosthenes?
Eratosthenes was born in 276 BC and died in 194 BC. He was a well-known poet, mathematician, a researcher in geography, and theorist of music. He was the first to gauge the size of the planet.
The Earth was first measured by Eratosthenes of Cyrene. The precise measurement of Earth's circumference was greatly aided by Eratosthenes' work in the third-century bc.
As a result, the Eratosthenes in the third century bc accurate calculation of the Earth.
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The exiles believed that kennedy was using the cuban crisis in a bid to overthrow the government of cuban leader Fidel Castro who had rose to power in a military take over and established a communist regime.
Answer:
The Proletariat (the working class)
Explanation:
Marx believed there would be endless class conflict where the working class was being exploited by the bourgeoise. Then, the proletariat would overthrow overthrow the government and economy to implement a communist society where all would be equal.
The answer should be manufacturing. During the creation of the federal government, one of the key questions to arise was the centralisation and extent of power. This debate was well highlighted in the differing views of Thomas Jefferson, who believed federal government should support an agrarian (farming) economy and give more power to the states, while Alexander Hamilton stood for a federal government supporting industry and banking, as well as being the superior power.
