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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<span><span>Operation Mongoose
The Cuban Project</span>Operation Mongoose Memorandum
October 4, 1962
First page of a meeting report</span>
The Cuban Project, also known as Operation Mongoose, was a covert operation of the Central Intelligence Agency (CIA) that was commissioned in March 1960 during the final year of President Dwight D. Eisenhower's administration.
It’s B.
I’ve done this question before I remember
<span>The War Powers Act was an intended check and balance on the President’s power. It would have meant that President Truman could not deploy US troops to Korea without the consent of Congress.</span>
The correct answer is C) He said the USSR would not give in because the US was being unfair.
Khrushchev responded to President Kennedy's demands saying that the USSR would not give in because the US was being unfair.
We are talking about the tense moments between the United States and the Soviet Union during the Cuban Missiles Crisis of October 1962. Indeed, Khrushchev sent a strong letter to Kennedy on October 24, 1962, stating that <em>"What would it mean to agree to these demands? It would mean guiding oneself in one’s relations with other countries not by reason, but by submitting to arbitrariness. You are no longer appealing to reason, but wish to intimidate us."</em>
Those were the difficult years of the Cold War in which the United States and the Soviet Union fought in the arms race and later on the space race. There were many moments were tensions were so high that the world was on the brink of another war.
