Canada has a lot of natural resources -this is one of the reasons why it's in such a strong position. Another reason why it's so strong is that it has ports on both the Atlantic Coast and the Pacific coast - so it can trade with both Europe, Africa and Asia.
The answer is : 74 Mph Or Greater
A tropical storm can turn into hurricane when wind speed goes above 74 miles per hour, which give it enough forces to destroy a hard concretes buildings that it passed by