Quote:
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The U.S. adopted the metric system in 1866
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In 1866 Britania so superbly ruled the waves and about 1/3rd of the world with it, including our ,(then), imperial measurement system.
At that time in history the fledgeling USA was still playing "monkey see - monkey do" , but in the modern era, ( especialy since WW2 ), things are very different so your expansive quote is a very,(out-), dated response.