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Politically, the RYM took issue with what they alleged was PLP's opposition to the right of self-determination for oppressed nations and ethnic groups. This contrasted to the Progressive Labor Party view which saw students and workers as being in separate categories which could ally, but should not jointly organize. Students could be viewed as workers gaining skills prior to employment. The theoretical basis of the Revolutionary Youth Movement was an understanding that most of the American population, including both students and the so-called "middle class," comprised, due to their relationship to the instruments of production, the working class thus the organizational basis of the SDS, which had begun in the elite colleges and had been extended to public institutions as the organization grew, could be extended to youth as a whole, including students, those serving in the military, and the unemployed. Most of the national leadership of SDS joined the RYM in order to oppose PLP's party line and what they alleged to be its attempted takeover of the SDS leadership structure, particularly at the 1969 SDS convention in Chicago. In the United States, the Revolutionary Youth Movement ( RYM) is the section of Students for a Democratic Society (SDS) that opposed the Worker Student Alliance of the Progressive Labor Party (PLP).
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