A policy where immigrants are banned from ever being a citizen if they entered the country without permission - a visa or green card. And they are not able to become citizens for a minimum of 5 years (a trial period). And they or their married spouse must have held a job for the majority of this time.

And communicating in English, within those 5 years is required, or they are not eligible. I wouldn't move to another country and expect citizenship if I can't communicate with my countrymen and women.