All of the following contributed to the decline of the populist party except
a.
many populists supported the idea of joining the republican party
b.
the party was unable to win passage of key reforms in state legislatures
c.
populists failed to win national elections in 1896
d.
william jennings bryan became the democratic nominee for president

it has to be either (A.) or (B.)

C. Populists failed to win national elections in 1896

Explanation:

The Populist Party was a populist agrarian political party of the United States of America that was active in the last decade of the 19th century and the first of the 20th. After its foundation in 1892 it became an important force in the states of the south and west of the United States where it obtained representation in the legislative assemblies of some of them, although it never obtained a national representation. In that year he presented James B. Weaver as the candidate for the presidency, which obtained 8.5% of the votes. The party collapsed after the Democratic candidate William Jennings Bryan, with whom he had allied, was elected in the US presidential election of 1896. However, a party faction continued to operate in the first decade of the 20th century. , although it never achieved the popularity of the party of the early 1890s. It dissolved in 1908. According to Aurora Bosch, the People's Party became "the greatest political challenge to the two great parties" (the Democrat and the Republican )