The Yugoslav republics have recently been caught up in an increasingly violent struggle involving nationalist rivalries and disputes over ethnic minorities.

As the Soviet empire unravels, nationalist rivalries resurface, sometimes angrily.

I'm struck again by the irony that spaceflight-conceived in tile cauldron of nationalist rivalries and hatreds-brings with it a stunning transnational vision.

At the same time, Orthodoxy may be in danger of further splintering by nationalist rivalries.

All have to reconcile their patriotism with globalising pressures without collapsing into nationalist rivalries.

Will Yugoslavia be the next Eastern European state to erupt - or can free elections help contain its explosive nationalist rivalries?

Illegal tapping of water supplies and questions of water access intermingled with nationalist rivalries could easily explode at any moment.

The resurgence of nationalist rivalries has rapidly emerged as one of the region's gravest security concerns.

A nationalist rivalry between Argentina and Brazil has evaporated, ending the regional arms race and its nuclear threat.

And Eastern Europe - with its floundering economies, disaffected populations and smoldering nationalist rivalries - looks like a concatenation of crises waiting to happen.