I agree with you that social classes exist within different departments in the military. Social classes also exist in Christianity in terms of gifts and fruits of holy but are all guided by Jesus Christ as their commander(1 Corinthians 12.12-26).
I agree with you that social classes in the United States exist in different societies depending on the amount of wealth held by several individuals. I concur with you that the migration of individuals of different social class to a particular area affects the residents of that place as they struggle to keep up with the newly created social class. Christians mainly occupy the suburban regions with humble lifestyles. However, migration of retirees to such regions translates into high standards of living as well as the cost of living. This results from an increase in taxes because of advancement in the economic standards of the region. I further agree with you that people tend to acquire loans in order to fit particular social class. I further agree with you that Christians should present one happy family lead by Jesus Christ (1 Peter