The north american industry classification system (naics) a. provides common industry definitions for north america, central america, and south america to measure economic activity in the western hemisphere. b. provides common industry definitions between canada and the united states to measure economic activity and reduce barriers of trade for cross-border firms. c. provides a classification system for products that is consistent worldwide.

B. provides common industry definitions between Canada and the United States to measure economic activity and reduce barriers of trade for cross-border firms. Not is used by these two countries also Mexico is using it.

The idea behind of NAICS is make easier to trade between these 3 countries.

president reagan was a good presidant and should be presidant if he was still alive

explanation:

the economic difference between the three colonial regions. shipbuilding, whaling, fishing, and trapping where also main factors to the economy. the southern regional colonies economy was based on sugarcane, rice, cotton, tobacco, and indigo.