American immigrants, after getting their passports, have no information. Did this pass?

1, excellent welfare conditions and good education system abroad have attracted many immigrants, especially the United States, a superpower, which has attracted many people as an immigrant country. There are several ways to apply for immigration to the United States, such as investment, talents, relatives and Chinese education.

2. Passport Passport is a legal document issued by a country to prove the nationality and identity of its citizens when they enter and leave the country and travel or stay abroad. The word Passport means port pass in English. In other words, a passport is a passport for citizens to pass through international ports in various countries. Therefore, some countries in the world usually issue passports instead of passports, which is not a condition for immigration.