Answer: Trade unions are organizations that represent the interests of workers.
Explanation:
Trade unions are an integral part of many industries and corporations around the world. Their task is to represent the interests of the workers. In the United States, the existence of a trade union was established by law in 1935. The unions negotiate with employers about wages, working conditions, benefits and work organization. The strongest unions in the world today are parts of the public sector, such as the police, teachers, civil servants and the like.
details the differences between social classes.
Generally speaking, the Euro allows people living in the EU to "<span>a. avoid the inconvenience of converting their currency when entering another EU country," since this was a major "drag" on the economies of many European countries for some time. </span><span />
Alright my friend so the best option to go with for this question will be option B. the most crucial provision of the treaty of versallies was the establishment of the League of nations