In "is the american dream still possible? " why does the author spend time in the opening paragraphs detailing the extent of the study?

The correct answer is the author wants to explain how the idea of the American Dream is still happenin even in the current politcal climate.

Explanation:

"Is the American dream still possible?" is an opinion article in the New York Times where the writer himself is talking about immigrants looking for a better path including his own experience.

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