The most relevant example of how immigration policy in America can come about when American citizens voice concerns to their law-making representatives is:
Some American citizens believe their job prospects or financial status may be negatively affected by mass immigration and immigrants seeking work.
This reflects a common concern among citizens that has historically influenced immigration policy discussions and decisions, as citizens express worries about the impact of immigration on the job market and the economy, prompting representatives to consider these views in their policymaking.