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Canada>>
【Abstract】Canada is one of the few developed nations that are net exporters of energy. Atlantic Canada possesses vast offshore d……

Brief Introduction： Canada is a country in the northern part of North America. Its ten provinces and three territories extend from the Atlantic to the Pacific……
America>>
【Abstract】The United States has a capitalist mixed economy which is fueled by abundant natural resources and high productivity. ……

Brief Introduction： The United States of America , is a federal republic composed of 50 states, a federal district, five major territories and various p……

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