What is the fine-grained topic of the following text: Leaders of the Seattle Central Labor Council attempted to wield the "purchasing power" of union members to carry out consumer boycotts against "unfair" retailers in the city, to establish worker "owned" cooperative enterprises such as grocery and dry goods stores, barbershops, laundries, and theaters. Only return the topic.
Union-led Consumer Boycotts and Worker-owned Cooperatives in Seattle