Which cultural factor aided Canada in protecting itself from U.S. influence?

A good number of escaped slaves and free African Americans moved to Canada.

In Canada, white and indigenous settlers joined together to maintain Canadian identity.

Canada, unlike the United States, remained within the cultural and political orbit of Great Britain.

Question

Which cultural factor aided Canada in protecting itself from U.S. influence?
   
       A good number of escaped slaves and free African Americans moved to Canada.

        In Canada, white and indigenous settlers joined together to maintain Canadian identity.

        Canada, unlike the United States, remained within the cultural and political orbit of Great Britain. <----- I think it's this one

        The United States lacked a French heritage, and thus did not appeal to many Canadians.