Groups such as the Visigoths, Vandals, Angles, Saxons, Franks, Ostrogoths were tribes of people that helped bring about the collapse of rome.
In this period, the minutemen were created. They could be ready for battle in a moments notice.
Paul Revere, was a horseback rider who spread the word that the British were coming. He warned a group of minutemen multiple different times, along with countless number of other horseback riders.
In a free market, capitalists would reinvest in new business ...