What important lesson did grant learn during hist first battle as a commander?

During his first battle as a commander, Ulysses S. Grant learned the critical importance of decisive action and initiative in warfare. He realized that hesitation could lead to lost opportunities and that effective leadership involved making bold decisions to maintain momentum. This experience also taught him the value of adaptability and the necessity of understanding both his own forces and the enemy's movements. Overall, it shaped his approach to command in subsequent battles.