Which of the following has become a common theme in political discourse?

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The disappearing middle class has become a common theme in political discourse as income inequality has become a major issue in many countries. Politicians and policymakers often discuss ways to address this trend and create more opportunities for the middle class to thrive. Choices A and D are not as common in political discourse, and while the service industry may be impacted by automation and outsourcing, it is not disappearing entirely.

Which of the Following Has Become a Common Theme in Political