I'm always wary of the lessons of the past. There's a lot of past out there, and you can draw whatever lessons you want.

Managing the relationship with a giant neighbour has been central to our foreign policy for more than a century. Trade and investment, as well as people, have flowed back and forth across the border, and the U.S. is, by far, our biggest trading partner.

In the 19th century, we didn't much like the loud annexationist voices south of the border or American support for Sinn Fein adventurers who thought, by seizing the Canadian colonies, they could force Britain out of Ireland.

Margaret MacMillan Quotes