(b) In 2–3 sentences, explain what those issues were and how they relate to the progressive movement.

The progressive movement was a period of reform in the late 19th and early 20th centuries that sought to address a variety of social and economic issues. These issues included the regulation of monopolies, the protection of workers' rights, the improvement of public health and safety, and the introduction of progressive taxation. These reforms were seen as necessary to address the growing inequality and poverty that had arisen due to industrialization and the rise of large corporations.