Canada & World Connections. The United States is Canada's major trading partner. Students will learn how this relationship affects our trade policies, media, immigration, culture, technology, tourism, history and geography. Students study the relationship Canada has with other trading partners around the world. This book supports many of the fundamental concepts and learning outcomes from the curriculums for these provinces: Ontario, Grade 5, Canada & World Connections, Canada's Links to the World; Saskatchewan, Grade 7, Social Studies, Resources & Wealth. 64 pages.