Americans throw out 4.5 pounds of trash a day - twice that of 40 years ago.
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Seven U.S. states are named after sovereigns - four kings and three queens.
5
In the US, it is legal for women to be publicly topless in 33 states. Male toplessness became legal in 1936.
4
In March, 2014, Colorado sold $19 million dollars worth of Cannabis. $1.9 million went to schools and crime fell by 10%.
6
The United States does not have an official language.
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