Excerpt from :

.... had numerical value. First, the symbols stood for pure numbers based on the powers of tenso 134 would need one hundred symbol, three ten symbols, and four one symbols. Later the system of places that we use today was developed, and ancient Islam carried this one (OConnor & Robertson).
Just as important was the passing of pictographic writing from the ancient Shang dynasty in China to the later Tang and Song dynasties. Inscriptions on bronze survive to this day, and the more extensive bamboo records likely led to the later evolution of writing in historic China. This written form of language evolved into the ideographic form of writing known today. Bronze working itself was a major achievement that did not occur in China until the Shang dynasty, one thousand years after it developed in Mesopotamia, and basic metal working allowed later Chinese dynasties rapid progress and superiority, especially militarily (Hooker).
The Sumerians of Mesopotamia were also the first to use iron, They recovered the metal from meteorites and used it for spear tips and ornaments. Later smelting techniques developed in the area to purify the iron, and these spread to Europe via trade routes. By the Middle Ages, large

Need this essay? If it's not quite what you're looking for there are over 50,000 more to search from, so you can find the term paper or essay that meets your needs.