The father of America was George Washington. George Washington was one of the main leaders of the American Revolutionary War and the first president of the United States. His contributions included: 1. Leading the American Revolutionary War: George Washington led the American Revolutionary War and defeated the British colonial army to ensure American independence. He performed well in the American Revolutionary War and was known as the "Father of the American Army." 2. Constitution of the United States: George Washington was one of the framers of the United States Constitution. He participated in the process of drafting the Constitution and published the famous "The Constitution of the United States". 3. President of the United States: George Washington was elected as the first president of the United States in 1789. His leadership and influence laid the foundation for American political history. Building the U.S. Army: George Washington created and led the U.S. Army to ensure the victory of the United States in the war of independence and laid the foundation of the U.S. Army. 5. Establishing the American political system: George Washington played an important role in establishing the American political system. He served as a Senator and Vice President and actively participated in political activities to promote the development of the American political system. George Washington was an important figure in the American Revolutionary War and modern American history. His leadership and influence had a profound impact on the United States.