Probably more such cases arise with Great Britain, in behalf of Canada, than with any other section of the globe.
On the American continent rivers flow from one country into the other; railroads carry goods across the border and back again; citizens labor now in one country, now in the other; corporations do business in both.

All these ties not only bind but chafe and give rise to constant negotiation.

More and more Great Britain has left the handling of such matters to the Canadian authorities, and, while there can be no interchange of ministers, there is an enormous transaction of business between Ottawa and Washington.
While there has of late years been little talk of annexation, there have been many in both countries who have desired to reduce the significance of the boundary to a minimum.

This feeling led in 1911 to the formulation of a reciprocity agreement, which Canada, however, was unwilling to accept.

Yet, if tariff restrictions were not removed, other international barriers were as far as possible done away with.