The ocala demands were a series of reforms eventually transformed into the platform of the a. populist party b. socialist party c. progressive party d. democratic party

A. Populist party.

Explanation:

They were a series of demands made under a platform for economic and political reforms.

It began in 1890 when the Southern Farmers´ Alliance met with other farmers' alliances in Ocala, Florida. Among the demands, there was a called for the abolition of National Banks and establish sub-treasuries in every state to make loan interest loans to farmers and property owners.

Their ideas were later adopted by the Populist Party.

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d. the right to establish a one-house legislature