Afghanistan is full of surprises. And what surprise could be bigger than the lightening advance of the Northern Alliance over the last seven days? In less than a week, Taliban forces have been swept from most of northern Afghanistan, including the key cities of Mazar-e-Sharif, Herat, Kunduz, Taloqan, Bamiyan, Jalalabad and the capital Kabul. The question is: How did a force that only two months ago controlled most of Afghanistan get swept from the battlefield so quickly, and is the battle over?

25 April marks the anniversary of the "Carnation Revolution" in Portugal in 1974-75, which brought down a hated dictatorship and threatened the foundations of the capitalist system. In the end however, the movement was brought back onto the safe channels of bourgeois democracy. This article, written by Phil Mitchinson in 1994, explains what happened and urges us to learn the lessons from this great event.