Let's sort out the jumble:
<span>Advances in algebra and chemistry = Persia
Dividing a circle into 360 degrees = Assyria
Sexagesimal numbering system = Babylonia
Iron chariots = Hittite
First written language = Sumer
By the way, if the term "sexagesimal" isn't in your everyday vocabulary, that refers to a system based around the number 60. The Babylonians had specific, different symbols for each numeral up to 59.</span>
Islam spread into Europe in 1543
The period in Greece from around 1100 to 750 B.C. was one of <u>invasions and migrations</u>.
The Mycenaean palace civilization's decline in around 1100 BC and the onset of the Archaic phase in about 750 BC are known as the Greek Dark Ages.
The term "Iron Age" (1100 BCE–800 BCE) refers to the time period in Greek history from the alleged Dorian invasion and the end of the Mycenaean civilization in the 11th century BC to the rise of the first Greek city-states in the 9th century BC and the earliest Greek alphabetic writings in the 8th century BC.
It was this very era when Greece saw these migrations and invasion.
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Another name for the Muslims
The sources of weakness during Herbert Hoover's presidency was the investigators speculating in an unregulated stock market.
Explanation:
Herbert Hoover was the US president during the Great Depression. Even though the blame of Great Depression cannot be put on his policies, his strategies adopted to tackle Great depression failed pathetically. He believed that businesses deciding to not cut down the wages of workers would stop consumption rates from falling down and stabilize the economy.
But this did not happen. Businesses did not cut down wages but they reduced the number of employees to sustain in the falling economic environment. Hoover tried to convince people that there was nothing seriously wrong and when the economy stabilizes stock prices would rise, unemployment would be alleviated and good times would come.
But the optimism did not help the economy and the investors speculating in an unregulated stock market was one of the sources of weakness during Herbert hoover's presidency.
