Answer:
enhance the likelihood of the successful enactment of other progressive reform causes
Explanation:
The progressive era is the period of social and political reform to make American society a better place to live. The time attributed is from the 1890s to 1920s. The proponents of the progressivism fought against the ill effects of industrialization, dominant positions of big corporate, political corruption, problems of urbanization, etc. Women's suffrage became an important issue and the nineteenth amendment gave women of the US the right to vote. The success of one issue not only widened the base of the movement but increases the chances of success of other progressive reform causes.