In the given scenario, the described changes made by the U.S. government include rolling back immigration restrictions, making immigration benefits easier to access, updating the asylum system, and incorporating a pathway to legalization for illegal immigrants.
These changes are generally considered as opportunities for migration rather than obstacles, as they aim to facilitate immigration processes and provide pathways for individuals who may face difficulties in the migration system.
Based on this analysis, the true statement is:
All three changes are opportunities for migration.