In which war did George Washington serve as a leader?

George Washington served as a leader during the Revolutionary War, which took place from 1775 to 1783. He was appointed as the Commander-in-Chief of the Continental Army by the Second Continental Congress in 1775. Washington's leadership was crucial in organizing the military efforts against British rule, securing vital victories, and ultimately leading to the independence of the American colonies.

His strategies, resilience, and ability to unite the colonial forces played a significant role in overcoming challenges throughout the war. The successful outcome of the Revolutionary War not only established the United States as an independent nation but also solidified Washington's legacy as a pivotal figure in American history. This context underlines why the Revolutionary War is the correct answer, as it specifically highlights the era in which Washington's military and leadership skills were primarily showcased.