Original sentence: In the United States, a large nation that shares borders with only two other countries (Canada and Mexico), residents the wave of metrication elsewhere in the world has not made much of an impact
Edited sentence: In the United States, a large nation that shares borders with only two other countries (Canada and Mexico), residents tend not to leave the country very often as going anywhere but the two border states is quite expensive, and consequently the wave of metrication elsewhere in the world has not made much of an impact