The mayas was the first to create a system of mathematics in which the circle represented a 1 and a bar represented a 5
so The Mayas is the correct answer
The Period of the Gunpowder Empires also known as the Era of the Islamic Gunpowders refers to the epoch of the Ottoman, Safavid and Mughal empires from the 16th century to the 18th century. The three empires were among the strongest and most stable economies of the early modern period, leading to commercial expansion and greater patronage of culture, while their political and legal institutions were consolidated with an increasing degree of centralisation. They underwent a significant increase in per capita income and population and a sustained pace of technological innovation. The empires were centralised from the Eastern Europe and North Africa in the west to between today's modern Bangladesh and Myanmar in the east.
Explanation:
Asimov's thesis is that the beauty of science is the same as the beauty of nature. He expands on this theory with a grandeur explanation of the vast happenings in nature and the universe, such as the speed of light and sound, and the truth that the stars are really amazingly large suns like our own.
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The Red Summer of 1919 alludes to a progression of race revolts that occurred among May and October of that year. In spite of the fact that riots happened in excess of thirty urban communities all through the United States, the bloodiest occasions were in Chicago, Washington D.C., and Elaine, Arkansas. National enactment was made to address the social complexities that were not tended to in the Fifteenth Amendment.
African American World War I veterans would inactively challenge to safeguard their established rights. Racial strains moderated as African Americans relocated toward the north amid the mid-year of 1919. African Americans experienced viciousness that would not be tended to by law enforcement.
