As somewhat new to the political arena in 1861, it was clear that Lincoln still had much to learn upon taking office. During a time of war, a president's decisions and role as commander in chief are even more crucial towards the country's future.
Lincoln had no political experience, unlike his Confederate counterpart Jefferson Davis, who had graduated from West Point. Yet, this reading paint Lincoln as an arguably successful commander-in-chief, even if he drastically expands his executive power in order to do so.
What is your evaluation of Lincoln as commander in chief? What are the key decisions that he makes in order to ensure Union strength and an eventual victory. And even more curious: why doesn't he fire McClellan right away, even upon Wade's insistence?