With market integration as its principal feature, EC-Europe has forged an ambiguous unity: every advance in market integration, argue the authors of this collection, produces patterns of disintegration in the lives of Europe's citizens. And integration has magnified transformations already underway in the modalities and content of political participation at the grassroots level, as new collective identities and new interests are being expressed by feminists, pacifists, ecologists, regionalists, and othersin Europe's social-movement sectors.