Looking at the world I realize there is an economy for each country and we all have currency. Of course, being a normal human being who has grown up knowing this is the way the world works, I never questioned it... Until now. I have always acknowledged the fact that I use money to buy commodities but never asked "Why?"
So why did the economy start, how did it start, and is it even necessary?
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Without money as an intermediate between goods modern commerce could not exist. Could you imagine trying to trade chickens for a car? and if they did trade chickens for a car what are the employees who made the car paid with? eggs? Now they need to either raise a chicken and sell that or try to find someone to purchase their eggs.