Which was the most powerful labor union in the US in the late 19
2024-08-22英语国家概况(00522)
Which was the most powerful labor union in the US in the late 19th century?
【正确答案】：The most powerful labor union in the US in the late 19th century was the American Federation of Labor.
【正确答案】：The most powerful labor union in the US in the late 19th century was the American Federation of Labor.
