If he decides to sell down his stake, he will likely trigger a bidding war between two heavyweight buyers--SingTel and Vodafone.

FORBES: Magazine Article

The perpetrators "want to trigger a sectarian war in Afghanistan, " said parliament member Mohammad Mohaqiq, a former warlord and one of the Shiite community's most influential leaders.

WSJ: Attacks Point to New Afghan Conflict

Where Jango, or its equivalents, work, comparison shopping will become so easy that it will no doubt trigger a price war, driving prices down to commodity levels.

ECONOMIST: Intelligent agents

But despite Mr. Netanyahu's pledge of revenge, it is unlikely that Israel would use Wednesday's attack as grounds to strike Iranian nuclear targets, a move opposed by the U.S. and likely to trigger a regional war.

WSJ: Israel Blames Iran For Attack in Bulgaria

But in times of conflict investors normally rush to buy the dollar, seeing it as a safe haven, and a prolonged war could trigger a sharp reversal of its recent decline.

ECONOMIST: Riding for a fall

Jan Dehn, an economist at Ashmore Group in London, said there are at least four potential candidates to trigger a wider currency war.

FORBES: How And When Does The 'Real' Currency War Begin?

The sight of departing warships has been concentrating minds, say protest organisers, as well as the prospect of next week's report by the UN inspectors which could provide a trigger for war.

BBC: Anti-war protesters take to the streets

The European Commission in June adopted regulations about the international trade of green energy technologies that might trigger a global trade war that would harm the economy and the environment in the process.

WSJ: EU Protectionism Passed Off as Environmentalism

Part of the question, therefore, is whether the rich, highly indebted countries are likely to trigger the directional moves that could set off a real currency war.

FORBES: How And When Does The 'Real' Currency War Begin?