Except for Native Americans, everyone in America has an ancestor who came here from somewhere else. Cultural diversity is American society. English is our collective language.
Last year, over a million people were granted legal permanent resident status. There were also a generous quantity of visas issued for legal temporary status, including foreign students, business, athletes, refugees, migrant and seasonal workers and those seeking asylum. Each visa has specific terms and conditions.
If you went through a process you have a document; birth certificate, green card or visa. If you are without documentation, start the process.
Like the law or not, it is the law.