 After the publication of his book on the fur trade , Innis turned to a study of an earlier staple — the cod fished for centuries off the eastern coasts of North America , especially the Grand Banks of Newfoundland . The result was The Cod Fisheries : The History of an International Economy published in 1940 , 10 years after the fur trade study . Innis tells the detailed history of competing empires in the exploitation of a teeming natural resource — a history that ranges over 500 years . While his study of the fur trade focused on the continental interior with its interlocking rivers and lakes , The Cod Fisheries looks outward at global trade and empire , showing the far @-@ reaching effects of one staple product both on imperial centres and on marginal colonies such as Newfoundland , Nova Scotia and New England . 
 After the publication of his book on the fur trade , Innis<a href='been_done' title='1'><mark></mark></a> turned to a study of an earlier staple — the cod fished for centuries off the eastern coasts of North America , especially the Grand Banks of Newfoundland . The result was The Cod Fisheries : The History of an International Economy published in 1940 , 10 years after the fur trade study . Innis <a href='uninflect' title='2'><mark>tells</mark></a> the detailed history of competing empires in the exploitation of a teeming natural resource — a history <a href='null_relcl' title='3'><mark>that</mark></a><a href='uninflect' title='4'><mark>ranges</mark></a> over 500 years . While his study of the fur trade focused on the continental interior with its interlocking rivers and lakes , The Cod Fisheries <a href='uninflect' title='5'><mark>looks</mark></a> outward at global trade and empire , showing the far @-@ reaching effects of one staple product both on imperial centres and on marginal colonies such as Newfoundland , Nova Scotia and New England . 
After da publication of his book on the fur trade , Innis been turned to a study of an earlier staple — tdacod fished fa centuries offf thdaastern coasts of North America , especially the Grand Banks of Newfoundland . Thedasult was The da Fisheries : The History of an International Economy published in 1940 , 10 years after the fur trade study . Innis tell the detailed history of competing empires in the exploitation of a teeming natural resource — a history range over 500 yrs . While his study of the fur trade focused on the continental interior wid its interlocking rivers and lakes , The Cod Fisheries look outward at global trade and empire , showing the fda@-@ reaching effects of one staple product both on imperial centres and on marginal colonies such as Newfoundland , Nova Scotia and New England .