Final answer:
The United States and Canada are both developed countries with diversified economies and are members of NAFTA, which conveys the close trade relationship and similar economic structures shared between them.
Step-by-step explanation:
The economies of the United States and Canada share several characteristics. Firstly, both are developed countries with advanced infrastructures and high standards of living. Secondly, they boast diversified economies that are not solely reliant on any single industry or sector. Lastly, both countries are members of NAFTA (North American Free Trade Agreement), which facilitates a significant amount of trade between them.
The industries in both countries have evolved over time. While they have a history in primary industries like agriculture and mining, their economies have expanded to include manufacturing and a growing service sector. This includes rising industries in biotechnology and information technology. Hence, the statement that they are only focused on primary economic industries or specialized in the mineral industry would not be accurate descriptions of their current economies.