Final answer:
The subject of this question is immigration reform, which involves measures such as improving border security, revising labor market policies, and addressing social welfare concerns.
Step-by-step explanation:
The subject of this question is Immigration reform. Immigration reform refers to the changes and updates made to immigration policies and laws to address issues related to the influx of undocumented workers and ensure a more efficient and effective management of immigration processes.
Immigration reform involves various measures such as improving border security, revising labor market policies, and addressing social welfare concerns. For example, border security measures can be implemented to prevent unauthorized border crossings, while labor market policies can be adjusted to regulate the employment of undocumented workers. Social welfare policies can also be reviewed to ensure that resources are distributed fairly and effectively to address the needs of both documented and undocumented immigrants.