Which problem faced by farmers to start the farmers' alliance movement?

crop-lien system on farmers in the period following the American Civil War

Explanation:

The Farmers Alliance was an organized agrarian economic movement among American farmers that developed and flourished ca. ... One of the goals of the organization was to end the adverse effects of the crop-lien system on farmers in the period following the American Civil War.

Indeed, at the close of the century of greatest agricultural expansion, the dilemma of the farmer had become a major problem. Several basic factors were involved-soil exhaustion, the vagaries of nature, overproduction of staple crops, decline in self-sufficiency, and lack of adequate legislative protection and aid.

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