What historical event led to the right to vote on a referendum?
a. the work of the progressive movement
b. the acceptance of oklahoma as a state
c. the passing of the organic act of 1890
d the passage of the nineteenth amendment

The work of the progressive movement led to the right to vote on a referendum.

Option: (A)

Explanation:

The Progressive Movement was intended at bringing in reforms that would best nourish democratic values and uphold the freedom and rights of the general public. movement sought crucial changes in the disciplines of gender equality, racial equality, socio-political reforms, and other social issues. The right to vote on a referendum that was dispensed to the general public was a result of the popular outcry for it voiced through the Progressive Movement.

The answer is option e.