National unity government 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. The 2008–2009 Zimbabwean political negotiations between the opposition Movement for Democratic Change (led by Morgan Tsvangirai), its small splinter group, the Movement for Democratic Change – Mutambara (led by Arthur Mutambara), and the ruling Zimbabwe African National Union – Patriotic Front (led by Robert Mugabe) created
People's Movement for Democratic Change People's Movement for Democratic Change The People's Movement for Democratic Change (PMDC) is a socially liberal party in Sierra Leone. It is a breakaway faction of the Sierra Leone People's Party (SLPP). It was officially registered on 19 January 2006. The party is led by Charles Margai, the son of Sierra Leone's second prime minister Sir Albert Margai and the nephew of Sir Milton Margai. The PMDC is based in the country's second largest city of Bo. Margai, as the PMDC's candidate in August 2007 presidential election, received third place, behind Ernest Bai Koroma of the opposition All Peoples Congress