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Conditions for immigration to the United States

Conditions for immigration to the United States:

(1) This person has outstanding talents in the fields of science, art, education, business or sports, and has been unanimously recognized by his country or the world, and his achievements can be proved by a lot of written materials.

(2) This person wants to enter the United States and continue to engage in the industry he is good at.

(3) this person will bring great benefits to the United States after entering the United States.

Historical changes of American immigration law

(1) Early Immigration Law: Free and Open Period (from the founding of the United States to the early 1980s 19).

(2) Mid-term immigration law: the period of restricting immigration and regional differences (1882 to the early 1950s).

(3) Modern immigration law: the period of easing and correcting regional differences (1952 to the end of 1980s).

(4) Contemporary immigration law: the selection period of vocational and technical immigrants (starting from 1990).

(5) A comprehensive review of the development history of American immigration law.