单语范例（未经PONS编辑处理）
The closing years of the 1880s saw a resurgence of trade unionism amongst merchant seamen, dockers and other unskilled workers.
en.wikipedia.org There has been an increase in industrial unionism with the expansion of industry.
en.wikipedia.org In the nineteenth century, a belief in the iron law of wages led some socialists to reject trade unionism and strike action as ineffective.
en.wikipedia.org He was able to strengthen the union in his first five years by focussing on craft unionism and controlling apprenticeships.
en.wikipedia.org A central debate concerned the relation between anarchism and syndicalism (or trade unionism).
en.wikipedia.org