The first article, by Kimberly Amadeo in The Balance, is a short introduction to the topic, called “What Is the American Dream?”
The second article, by Anshu Siripurapu in The Council on Foreign Relations, is called “The US Inequality Debate.”
The next article, by Stewart M. Butler in National Affairs, is called “Can the American Dream Be Saved?”
The next article, by Bhatt, Kolb, and Ward with The Peterson Institute for International Economics, is called “How to Fix Economic Inequality?”
This resource on arguments will offer you some guidance. Pay special attention to the section about “opposing ideas and limits to your argument.”
To understanding the elements of arguments, you want to know a variety of strategies for developing ideas in paragraphs.