How did the British turn the war in their favor?

The British were able to turn the war in their favor during various conflicts, but assuming you are referring to the American Revolutionary War, several factors and strategies helped them gain temporary advantages during different phases of the conflict. These included:

1. Military Reinforcements and Naval Superiority: The British had the most powerful navy in the world at the time, which allowed them to transport troops and supplies, blockade American ports, and control sea routes.

2. Hiring of Mercenaries: The British hired foreign soldiers, such as the Hessian mercenaries from German states, to bolster their forces in America.

3. Strategic Redeployment of Troops: After early struggles, the British shifted their focus to the Southern colonies, where they believed they could gain support from Loyalists (colonists who remained loyal to the British crown).

4. Tactical Victories: British forces, under commanders such as General Cornwallis, won several key battles which at times gave them temporary control over various parts of the colonies.

5. Intelligence and Espionage: The British used spies to gather information on American troops and their movements.

Despite these efforts, the war did not ultimately turn in Britain’s favor. The British strategy was eventually unsuccessful due to factors including French support for the American cause, British underestimation of American resolve and military capability, the vast geography of the conflict, and the difficulty in maintaining long supply lines from Britain to America.