Back in 1615 when it was widely accepted that the earth was the center of the galaxy, Galileo discovered that we revolved around the sun in year long cycles along with other planetary objects. He was put in house arrest for 9 years because of this because it was considered a heresy. He also invented the telescope and was the first to observe the largest of Jupiter's moons.
South Vietnam was supported by the United States and other anti-communist allies. The war is widely considered to be a Cold War-era proxy war. It lasted almost 20 years, with direct U.S. involvement ending in 1973.
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Explanation:
The civilization of Ancient Mesopotamia grew up along the banks of two great rivers, the Euphrates and the Tigris. In the midst of a vast desert, the peoples of Mesopotamia relied upon these rivers to provide drinking water, agricultural irrigation, and major transportation routes.
A river gives the inhabitants a reliable source of water for drinking and agriculture. Additional benefits include fishing, fertile soil due to annual flooding, and ease of transportation. The first great civilizations, such as those in Mesopotamia and Ancient Egypt, all grew up in river valleys.
