What are some of the reasons why the United States did not adopt the metric system of measure? Select ALL that apply. 1. at the time most of its trade was with France who did not use the metric system
2. the House of Representatives defeated the bill calling for conversion to metrics in 1974
3. the US was waiting for all other industrialized countries to adopt it before proceeding
4. at the time most of its trade was with England and Canada who did not use the metric system