The development of simple tools from wood or shards of rock and the discovery of fire, which provided a way to cook food and create heat and light, were technological developments which allowed people to accomplish tasks more easily and quickly.
Bronze Age - The evolving ability of man to work with metal gave the ability to form stronger tools, and the introduction of the wheel allowed people greater ability to travel and communicate.
Iron Age - The ability to work with harder metals than copper and tin, to smelt iron, and to be able to remove iron from ore allowed for rapid increases in weapons making, brought the development of tools that benefit civilization and gave greater ability to perform tasks,
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