Which of the following best describes why the farmers’ alliances formed the populist party?
the farmers’ alliances were not successful in changing the crop-lien system and needed to form a national political party as a result.
the farmers’ alliances were not successful in maintaining cooperative businesses and needed to form a national political party as a result.
the farmers’ alliances were not successful in influencing national farm policy in favor of farmers and needed to form a national political party as a result.
the farmers’ alliances were not successful in reforming the sharecropping system and needed to form a national political party as a result.

The Farmers’ Alliances were not successful in influencing national farm policy in favor of farmers and needed to form a national political party as a result.

Explanation:

The Farmers’ Alliances were formed in 1875. in hopes to improve the economic conditions of agrarian workers.

The movement was made out of a few separate organizations -

As the economic movement, this Alliance didn't have much success. It wasn't united or influential and didn't have much of a political impact.

That is why, finally, Alliance decided to turn into the political movement with its own political candidate. In the early 1890s, Alliance formed the Populist (People's) Party which fought for the ideas of the Alliance, but with the political background and force.

kind of thinking it would be c hope this out