What helps maintain Canada’s high standard of living today?
Explanation:
"Today, Canada maintains a high standard of living through hard work and trade, especially with the United States, its largest trading partner and close ally."
Canadian Citizenship Test gives you access to many more tests than just the one practice test available on the government website. That official sample test is good for giving you an idea of what to expect on the real test. But it can't help you prepare fully. Nor does reading the Canadian Citizenship: Our Bond material alone.