Answer:
The U.S. justifies its social hierarchy by emphasizing the belief that a person's class is determined by their individual hard work (or lack thereof). This concept, often referred to as the "American Dream," suggests that individuals have the ability to improve their social standing through their own efforts and achievements. The idea is that hard work, ambition, and perseverance can lead to upward social mobility, regardless of one's initial social class or background.
Step-by-step explanation: