Three pillars: 1) tariffs, 2) railway; - build country, 3) immigration consume and purchase goods. Unequal benefits historic alienation in western canada. National industrial structure pattern of production & Distribution of goods & services in a given area; includes main. Characteristics & cleavages in network of economic activity. Several relevant aspects: balance between different sectors. Raw materials refine manufacture - resell: regional economic divisions, level of foreign ownership, degree of corporate concentration. Structure stable, but not static: historically family controlled companies ie. hbc, sobeys, molson, labatt"s. Industries focused on extraction of natural resources land and water. Fishing, agriculture, forestry, mining, cory, logging, oil: secondary. Manufacture on construction of final products into a higher value. Steel making, ship, construction, manufacturing, textiles, plastics, automobiles, chemicals: tertiary. Not involved in extraction or manufacture industries. Finance, insurance, real estate, transportation, communication, retail, wholesale, commercial services, public administration.