The answer is: <span>technology, plows, steam engines
The development of </span><span>technology, plows, steam engines allow mass production of a certain product become a lot faster and cheaper.
This transform the economy from relying on herding and agriculture into focusing mainly on industrial manufacturing.</span><span />
Gravity is a force that exists between any two masses in the universe.
Answer:Between 700 and 1600 there were three great empires in the centre of West Africa: Ancient Ghana, Mali and Songhai. They all grew immensely rich by trading in gold. One of the last great kingdoms was Asante.
Explanation:
The concept is known as Pull system whereby the material is only created when needed and delivered to the appropriate location at the precise moment it is required.
A Pull System is a Lean strategy designed to cut down on waste in any kind of production process. With the pull system, new work is only begun when customers want it. This tactic helps to save overhead and lower storage expenses. Each of us, as consumers, is in some way a member of a pull system that is based on a particular signal. This system only allows us to consume when there is a demand and at the appropriate moment.
Learn more about Pull system here:
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