professor André Siegfried (1875-1959), the father of political analysis in France, began his lectures at the Collège de France and at the ecole libre des sciences politiques by these words: "Great Britain is an island, an island surrounded by water from all sides, and I should stop there." The insularity isn't she supposed to explain the singularities of this was at the beginning of the Twentieth century the first world power? In addition to that the british Empire was lost for a very long time his leadership the benefit of the United States, the great political scientist French could not express themselves well. Because Britain is no longer an island in the strict sense of "countries with no land border with another nation"!

there was first the secession of Southern Ireland, 1922, which by its independence has shared the island with the northern part remained in the United Kingdom. And how much more dramatic, Great Britain and France have forged a common land border on February 12 ...