The policy section on "reverse migration" in your textbook argues that the first step to domestic immigration reform should be to:

The first step to domestic immigration reform is to require all employers to verify the legal status of their workers. If illegal immigrants cannot obtain and/or keep a job in the U.S. then they will return home on their own.

You got this you don’t need to use this to cheat you can do it

Ithink the answer is b. shakeri hope im not wrong : )