Canada is a vast country located in northern North America that stretches from the Arctic Ocean to the United States border. It has a diverse landscape that includes the St. Lawrence River, Hudson Bay, Great Lakes, Canadian Shield, and Rocky Mountains. Canada was originally colonized by France and Britain, and gained independence in stages throughout the 18th and 19th centuries, becoming a self-governing federation in 1867 and gaining full independence in 1982. Canada has a constitutional monarchy and parliamentary democracy form of government.