One of the three major immigrant groups in the U.S. are those who enter the country for job- or investment-related reasons. The individual qualifications of green card applicants are of crucial importance to whether an application is approved.
Thematically, we can divide this area into five Green Card categories:
Individuals that advance the national interest of the United States
Individuals with special qualifications/skills
Academics as well as skilled professionals and other employees
Special immigrants and employees of churches/religious communities