In the 1972 Olympics, Mark Spitz won 7 gold medals for 100m Butterfly, 100m Freestyle, 200m Butterfly, 200m Freestyle, 4×100m Freestyle Relay, 4×100m Medley Relay, and 4×200m Freestyle Relay.
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<span>Generally speaking, advanced farming techniques allowed for a surplus of food, which led to the emergence of an "artisan" class--since for the first time people were "freed" to engage in other actives besides gathering food. </span>
Ww1 ended in 1920. Also, America was then the new worlds superpower.
