The US is highly dependent on its neighbours, Canada and Mexico, for trade. The country's top trading partner is Mexico, making up 14.8% of total trade. States close to Canada have strong trading links, with Montana importing 87% of goods from there and North Dakota exporting 84.6% of goods there. United States has become more reliant on foreign sources for mineral commodities is the large increase in mineral commodities used by the United States, both in type and quantity.
