<em>Explanation:</em>
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The Jazz Age was a cultural period and movement that took place in America during the 1920s . New styles of music and dance emerged. Mostly African Americans introducing and embracing new musical techniques. As well as traditional African traditions, jazz soon expanded to America's white middle class.
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Answer:
the system of checks and balances is intended to make sure that no branch or department of the federal government is allowed to exceed its bounds, guard against fraud
Explanation:
and allow for the timely correction of errors or omissions.
The correct answer to this open question is the following.
Since the beginning of the Islamic era in 622, the diffusion of Muslim advancement in science, technology, or mathematics spread basically through trade and conquest. As Muslims conquered territories, they established trade routes and spread the Muslim's teachings to the conquered regions, although they allowed people to have their own belief systems.
So since medial times, Muslims shared their knowledge and inventions in the fields of astronomy, mathematics, algebra, cartography, geography, cosmology, alchemy, astronomy, opthalmology, chemistry, botany, agronomy, medicine, pharmacology, and the development of trade in the harsh conditions of the desert.
