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Arab scholars preserved the writings of the ancient Greeks in their libraries. When the Italian cities traded with the Arabs, ideas were exchanged along with goods. These ideas, preserved from the ancient past, served as the basis of the Renaissance.

British mathematician and physician

invented calculus

three laws of motion, and the law of gravity

came up with the Binomial Theorem

His achievements helped other scientists like Einstein be able to discover the Theory of Relativity and Nuclear Fission.

a relatively sophisticated period in world history.

The polis became the defining feature of Greek political life for hundreds of years.

During the so-called “Greek Dark Ages” before the Archaic period, people lived scattered throughout Greece in small farming villages. As they grew larger, these villages began to evolve. Some built walls.

Each of these poleis was an independent city-state. In this way, the colonies of the Archaic period were different from other colonies we are familiar with: The people who lived there were not ruled by or bound to the city-states from which they came. The new poleis were self-governing and self-sufficient.

Between 750 B.C. and 600 B.C., Greek colonies sprang up from the Mediterranean to Asia Minor, from North Africa to the coast of the Black Sea. By the end of the seventh century B.C., there were more than 1,500 colonial poleis.

Evidence of slavery predates written records, and has existed in many cultures.[3] Prehistoric graves from about 8000 BC in Lower Egypt suggest that a Libyan people enslaved a San[disambiguation needed ]-like tribe.[16] Slavery is rare among hunter–gatherer populations, as slavery is a system of social stratification. Mass slavery also requires economic surpluses and a high population density to be viable. Due to these factors, the practice of slavery would have only proliferated after the invention of agriculture during the Neolithic Revolution about 11,000 years ago.[17] The earliest records of slavery can be traced to the oldest known records, which treat it as an established institution, not one newly instituted. The Code of Hammurabi (ca. 1760 BC), for example, stated that death was prescribed for anyone who helped a slave to escape, as well as for anyone who sheltered a fugitive.[18] The Bible refers to slavery as an established institution.[3] Slavery was known in civilizations as old as Sumer, as well as almost every other ancient civilization, including Ancient Egypt, Ancient China, the Akkadian Empire, Assyria, Ancient India, Ancient Greece, the Roman Empire, the Islamic Caliphate, and the pre-Columbian civilizations of the Americas.[3] Such institutions were a mixture of debt-slavery, punishment for crime, the enslavement of prisoners of war, child abandonment, and the birth of slave children to slaves.