The 1713 Treaties of Utrecht, which brought an end to the War of the Spanish Succession, broke the equilibrium that existed in North America between Great Britain and France.
The territory of modern New Brunswick was a source of contention between Great Britain and France for 50 additional years, which was only to be resolved by the Treaty of Paris in 1763 with the abject surrender of the French.
Article 13 of the Treaties of Utrecht reads: "The Island called Cape Breton and all the others located in the Gulf of Saint Lawrence, will as of this date belong to France...".
[2] The majority established themselves at St. Peters (renamed Port Toulouse) and situated on the eastern coast of Île-Royale, recreating the Acadian colony.
Its geographic position permitted Louisbourg to serve, not only as capital of Île-Royale, but as first line of defense in the 18th century during the wars with Great Britain for the supremacy of North America.