1.2 Unforeseen occurrences Unforeseen occurrences are events that happen without any warning such as earthquakes and natural disasters. 2. Examples of recent political situations A tourists perceptions of political instability and safety in a country will affect their decisions about whether or not to travel there. 2.1 Civil war A civil war is a war between opposing groups of citizens of the same country. Civil wars have recently occurred in Libya, Egypt, Somalia and Kenya. 2.2 Terrorism Terrorism is the use of violent acts to achieve apolitical goal. One of the most significant terrorist attacks in recent years was the September 11, 2001 attacks on the World Trade Centre in New York. 2.3 General unrest Unrest is an uneasy or troubled condition. General unrest in Zimbabwe has stopped almost all of the tourism into that country. 3. Examples of unforeseen occurrences 3.1 Tsunamis A tsunami is a series of very large ocean waves caused by an underwater earthquake or volcanic eruption which damage infrastructure, buildings, attractions, ports, coastlines and beaches. 3.2 Earthquakes An earthquake is a sudden and violent shaking of the ground caused by movements within the earth’s crust or volcanic activity, and can cause great destruction.