Answer :
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The United States is not a completely open-class system due to several reasons:
1. **Inheritance of Wealth:** One reason is that wealth and social status can be inherited through generations, creating a system where advantages are passed down within families rather than solely based on individual merit. This can lead to disparities in opportunities for social mobility.
2. **Education Disparities:** Another factor is the unequal access to quality education based on economic resources and location. Students from disadvantaged backgrounds may not have the same opportunities to receive a high-quality education, limiting their ability to compete on an equal footing with those from more privileged backgrounds.
3. **Discrimination and Bias:** Discrimination based on factors like race, gender, or ethnicity can also hinder the idea of a completely open-class system. Prejudices and biases can impact an individual's opportunities for advancement, regardless of their skills or qualifications.
By considering these aspects, we can see that while the United States strives to be a meritocratic society, various social, economic, and systemic factors contribute to it not being a completely open-class system.