What does "inadmissibility" primarily prevent?

The concept of "inadmissibility" in U.S. immigration law refers specifically to the conditions under which individuals are barred from entering or remaining in the United States. This classification encompasses various grounds based on issues such as criminal history, health-related issues, security concerns, and violations of immigration laws.

When someone is deemed inadmissible, they may not enter the country through a port of entry, nor can they remain if they are already present due to the factors that have made them inadmissible. While this concept can have implications for work permits, studies, or pathways to citizenship, its primary focus is on the individual's entry into and permission to stay in the U.S.

Other choices may pertain to issues that arise as a result of inadmissibility but do not capture its primary purpose. For instance, while being inadmissible can prevent the acquisition of work permits or citizenship applications, these are secondary consequences, rather than the fundamental purpose of the inadmissibility classification.