What problems did progressives hope to solve?
progressives hoped to win suffrage for women, abolish political machines, and improve conditions for the poor.
progressives hoped to win suffrage for african americans, abolish jim crow laws, and improve conditions for blacks.
the progressives hoped to win passage of healthcare reform legislation and increase the minimum wage.
the progressives hoped to win passage of railroad reform legislation and combat falling agricultural prices.

Progressives hoped to win suffrage for women, abolish political machines, and improve conditions for the poor.

Explanation:

Progressives upheld ladies' suffrage, helping ladies secure the privilege to cast a ballot through the appropriation of the Nineteenth Amendment to the United States Constitution in 1919. And one of the most conspicuous sorts of working conditions change was the guideline of children.

Dynamic government officials passed laws limiting the sorts of work kids could do, just as the hours when they could work. They likewise supported workers' unions, women's rights, children's rights and strikes which caused resistances from enormous organizations.

silk

indigo  

rice

all the other answers are wrong

c. the passage of the fifteenth amendment