definiens: - shall mean the following risks : a ) war and hostilities ( whether war be declared or not ), invasion, act of foreign enemies, b ) civil war, rebellion, revolution, insurrection, military or usurped power, riot, civilcommotion or disorder, insofar as it relates to the country where the Site is located orcountries through which supplies must be transported, c ) terrorist action or others acting from a political motive, d ) ionising radiation or contamination by radio - activity from any nuclear fuel or nuclearweapons material, or from any nuclear waste from the combustion of nuclear fuel, radio - active toxic explosives or other hazardous properties of any explosive nuclear assembly ornuclear components thereof, e ) confiscation, commandeering, requisition or destruction of or damage to property byorder of the government or by any public authority, f ) pressure waves caused by aircraft travelling at sonic or supersonic speed