The final stage of every green card case is when the applicant must choose between consular processing (CP) or an adjustment of status (AOS) on the I-140 form.
Adjustment of Status for Immigrant Spouse of U.S. Citizen
Permanent resident status (commonly referred to as “green card status”) can be awarded either due to a family relationship or an employment agreement.
How to Sponsor Family Members for a Green Card
Receiving permanent residency in the US has many benefits, including allowing the obtaining of employment authorization (what was once a work permit).