The populism movement took hold because the use of the gold standard was causing many people to lose money - especially farmers. Farmers were having a lot of trouble because there were no regulations put in place to help them not produce too much it too little. Also, the populism movement promoted the regulation of railroad prices. That way, farmers could ship their produce at cheaper price points.
The answer is the third one: it promoted reforms to help struggling farmers
It has been proven that in the eyes of the british, the american colonies only existed to benefit britain economically.
I hope my straight forward explanation can answer your question :)
The main goals of Reconstruction in the South were to reestablish federal control in the South. Another important goal was to facilitate the transition of more than 4 million enslaved people from slavery to freedom. Another goal was to rebuild the infrastructure of the South and restore the seceded states to the Union.