In this instance, history is as unlikely to approve the conduct of the Canadians as to approve our bad manners towards them upon many other occasions.

The matter came to a head in Roosevelt's first administration.

You will find it all in the Life of John Hay by William R.Thayer, Volume II.

A commission to settle the matter had dawdled and failed.

Roosevelt was tired of delays.
Commissioners again were appointed, three Americans, two Canadians, and Alverstone, Lord Chief Justice, to represent England.