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McDonald brothers start an empire of fast food
McDonald brothers start an empire of fast food, and factory system bringed to the kitchen -
Enterprises of food
In 1970, there was five enterprises that produces food, just controlled 25% of the sales -
Food enterprises of beef
Today, there are four enterprises and control 80% of sales -
Food enterprises of pork
There are just four enterprises that produces pork and control 80% of sales