In 1756–the first official year of fighting in the Seven Years War–the British suffered a series of defeats against the French and their broad network of Native American alliances.
However, in 1757, British Prime Minister William Pitt (the older) recognized the potential of imperial expansion that would come out of victory against the French and borrowed heavily to fund an expanded war effort. Pitt financed Prussia’s struggle against France and her allies in Europe and reimbursed the colonies for the raising of armies in North America.
Early in the war, the French (aided by Canadian militia and Aboriginal allies) defeated several British attacks and captured a number of British forts.
In 1758, the tide turned when the British captured Louisbourg, followed by Québec City in 1759 and Montréal in 1760.
By 1760, the French had been expelled from Canada, and by 1763 all of France’s allies in Europe had either made a separate peace with Prussia or had been defeated.
In addition, Spanish attempts to aid France in the Americas had failed, and France also suffered defeats against British forces in India.
And With the Treaty of Paris of 1763, France formally ceded Canada to the British. and largely withdrew from the continent.
However, the removal of France as a North American power gave Anglo-American colonists greater confidence, as they no longer needed the protection of the British military