Why has redress been kept as a consumer right by the un?

Because the UN recognized reparation as a modern human right, more precisely a human right of the new generation.

Explanation:

In 1973, the UN decided that repaction, as well as several other consumer rights, were essential to maintaining a good standard of living for society. As such, the UN categorized this right as a modern human right, of the new generation, as well as a social economic right that aims to protect the weakest individuals in the commercial system, consumers.

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the number of senators, and representatives, the state has in congress.