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The 1860 Democratic National Conventions were a series of presidential nominating conventions held to nominate the Democratic Party's candidates for president and vice president in the 1860 election. The first convention, held from April 23 to May 3 in Charleston, South Carolina, failed to nominate a ticket.
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The transition from Paleolithic to Neolithic is one of the most important moments in human history. During the Paleolithic, which comprises about 99% of human history, our ancestors were hunter-gatherers, and lived a nomadic lifestyle.
The Neolithic started around 12,000 in the near east, more specifically in the Levant and Mesopotamia, and was marked by the adoption of agriculture, and the change from a nomadic lifestyle to a sedentary lifestyle.
During the Neolithic, agriculture allowed the production of surplus food that allowed the divison of labor and the founding of the first cities such as Jericho and Damascus.
River valley civilization or river culture is an agricultural nation or civilization situated beside and drawing sustenance from a river. A "civilization" means a society with large permanent settlements featuring urban development, social stratification, specialization of labour, centralized organization, and written or other formal means of communication. 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 Egypt, all grew up in river
