It was a time of social and political tribalism - bosses v workers, left v right, Labour v Tory.

BBC: Margaret Thatcher: A tribute to conviction politics

What emerged was, in fact, a victory of neo-tribalism over the bonds of faith and the exploitation of religion for providing legitimacy to the tribe.

CENTERFORSECURITYPOLICY: Muslim-on-Muslim Violence

The commission argued that viewing sectarianism as "Protestant-Catholic religious prejudice, political factionalism, or even 'tribalism' " placed it outside the context of well-established international human rights law, specifically the International Convention on the Elimination of All Forms of Racial Discrimination, which came into force back in 1969.

BBC: Is sectarianism racism?

Political tribalism has played a disgraceful role, with left-of-centre politicians slow to criticise their party comrades in Romania and centre-right Europeans giving Mr Orban and Mr Basescu too easy a ride.

ECONOMIST: Romania and democracy

We're in charge - albeit " without any triumphalism and with no trace of any political tribalism" and we've already got one.

BBC: Time to switch back on

Kibaki is praised for turning the country into an east African economic powerhouse with an average growth rate of 5 percent, but his anti-graft campaign has been seen as a failure, and the country still struggles with tribalism and poverty.

NPR: Political Standoff Fuels Ethnic Violence in Kenya

But Kibaki's anti-graft campaign has largely been seen as a failure, and the country still struggles with tribalism and poverty.

NPR: Kenya Leader Re-Elected in Disputed Vote