To combat political machines that had become generators of corruption in American cities, progressives advocated for D. Practical reforms
Between the late 19th and the early 20th centuries, the United States experienced a progressive era where Americans known as progressives began to advocate for practical changes and reforms in government in order to combat corruption and unfair trading practices.
They advocated for alcohol prohibition so that the rich alcohol barons would have their power taken away and they came after corporations that were operating as trusts and engaging in monopolistic tendencies.
President Theodore Roosevelt was a progressive and led to antitrust fight throughout his tenure as well as supporting other practical reforms.
More information on the progressive era can be found at https://brainly.com/question/2011930.
