Since the Civil War , there has never been a " national unity " government in the United States in the traditional sense . There have been several instances , however , during national disasters or wars , that the two parties have briefly " rallied around the President . " Such instances include the attack on Pearl Harbor , the assassination of John F. Kennedy , and the September 11 attacks , all of which not only had a worldwide effect , but preceded a massive spike in the approval rating of the sitting President
September 11 attacks
September 11 attacks
National unity government