Conversation so far:
who was the first person to propose a decimal-based measurement system for the united states
In 1793, Thomas Jefferson requested artifacts from France that could be used to adopt the metric system in the United States, and Joseph Dombey was sent from France.
What happened to Joseph Dombey after leaving France?
In 1793 Joseph Dombey was sent on a mission to the United States to help with metrication, but was captured by privateers and imprisoned in Montserrat, where he died.
Was the metric system ever adopted in the United States?
Although customary units are used more than metric in the U.S., the SI system is used extensively in science, medicine, the military, automobile production and repair, and international affairs.
Are there examples of the metric system in the United States?
U.S. track-and-field competitions are commonly run in increments of 400 meters, which roughly correspond to traditional mile-based lengths.

Question: Did public policy change on the system in america?
Self-contained rewrite: Did public policy on metrication in the United States change?