Bring the United States of America into the international standard and adopt the metric system.
Begin by:
-introducing the metric system in schools in a manner similar to a second language.
Within 5 years:
-package all hardware, measuring tools, and affected goods with the metric equivalent along side the Sae measurement system so both the Are on packaging (like English and Spanish currently are).
Within 20 years :
teach metric System as the main system with SAE as secondary. Make the metric system the primary measurement system in America.
Maintain dual SAE/metric packaging.
Within 50 years:
Maintain 20 year bench mark, slow production of non metric goods.
Within 100 years: Cease all non metric production. Mmaintain 20 yr education benchmark (like teaching an ossolete language).