Completar Frases Metal AgesVersión en línea Text about Metal Ages por Susana López 1 land copper iron strong traders divisions warriors plough progress transport wealth cities jewellery social sail unequally trade changes ships 7000 Wheel bronze routes metal About years ago , human beigns began to make objects . The first metal they used was , but it was not very . Later , they used and to make tools , weapons and . There were three important inventions : - The , which greatly improved . - The , which meant than could be bigger because they used the force of the wind . - The , which made working the easier and faster . The use of metal objects was a sign of great , and caused many . The search of metals to make tools created new . Trade produced , and villages turned into . New professions , such as , craftspeople , priest and appeared . Wealth was divided , and were created .
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