What were the names of the people who wanted to withdraw from the union army?

Several prominent figures sought to withdraw from the Union Army during the American Civil War, notably including Confederate leaders like Jefferson Davis and Robert E. Lee. Additionally, some soldiers and regiments within the Union Army expressed dissent, but specific names are less commonly documented. Overall, the desire to withdraw often stemmed from differing political beliefs, grievances regarding leadership, or issues of morale rather than individual names.