what violations of humans rights listed in the ICCPR

need an answer to this question for a paper due tomorrow:

what violations of humans rights listed in the International Covenant on Civil and Political Rights were faced by Dolores Huerta and/or her colleagues in their struggle for the rights of farmworkers?

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Civil and Political Rights
Individuals engaged in a struggle for some form of parity or changein status quo in society often experience extensive challenges that include failure to receive proper treatment as would be the casebased on the existing rights and liberties of citizens of a particular country.

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