[tacotacotaco]

There was a big push in the 20th century with government projects to promote the metric system and educate. People were confused because they knew the imperial system already. Op ed writers criticized it. Parents complained about schools teaching it to their children. After decades of effort, the Reagan administration killed funding for the projects

[mulmen]

US schools still teach the metric system. Americans are familiar with the system and use it daily. We also continue to use customary units out of familiarity. We have never officially used Imperial units.