The answer is:
1. D. Increased social problems caused by rapid growth in departure cities
2. D. Lincoln Steffens
3. D. Robert La Follette
<h2>Further explanation
</h2>
<u>The progressive movement</u> is a movement that aims to make changes that progress, increase, continue, and gradually over a certain period both quantitatively and qualitatively.
<u>Robert La Follette</u> is a progressive politician from the United States.
<u>Lincoln Steffens </u>is an American writer, one of his works is The Shame of The Cities This book is about a corrupt political machine in several major cities in the United States.
Learn more
Progressive Movement brainly.com/question/2494870
Robert La Follette brainly.com/question/7353602
Lincoln Steffens brainly.com/question/11286089
Details
Class: Middle School
Subject: History
Keywords: Progressive Movement, Robert La Follette, Lincoln Steffens
