Americans use metric where it's required by law (e.g., food and drug packaging), it just takes government force. Government force can also change a population's

Americans use metric where it's required by law (e.g., food and drug packaging), it just takes government force. Government force can also change a population's language. See, e.g., https://en.wikipedia.org/wiki/Anglicisation https://en.wikipedia.org/wiki/Anglicisation https://en.wikipedia.org/wiki/Russification https://en.wikipedia.org/wiki/Russification https://en.wikipedia.org/wiki/Sinicization https://en.wikipedia.org/wiki/Sinicization