Complex sentence: Critics of this approach point out that this rewards illegal behavior and can encourage greater illegal immigration into the country which would make the efforts at border security more difficult and call it essentially an amnesty that undermines the rule of law.
Split into simpler sentences: Critics of this approach point out that this rewards illegal behavior and can encourage more illegal immigration into the country which will make the efforts at border security more difficult. They also call this approach essentially an amnesty that undermines the rule of law.