Question

A movement to increase political power of farmers was called
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Answer 1

I believe what your looking for is

: The Populist movement

Answer 2

The Populists were an agrarian-based political movement aimed at improving conditions for the country's farmers and agrarian workers. The Populist movement was preceded by the Farmer's Alliance and the Grange. The People's Party was a political party founded in 1891 by leaders of the Populist movement.