<span>The French and Indian War was the last and most important conflict over French and British possessions in North America. By the time it was over France's vast colonial empire in North America had been dramatically reduced, while Britain gained control over most French possessions east of the Mississippi River, as well as Spanish Florida. George Washington gained some fame.</span>
The author is using a hyperbole in this exert.
It’s the last one. Decoration means dictionary definition