"The Government of the United States has broad, undoubted power over the subject of immigration and the status of aliens. ... It is fundamental that foreign countries concerned about the status, safety, and security of their nationals in the United States must be able to confer and communicate on this subject with one national sovereign, not the 50 separate States." | by: | |
Source: | Arizona v. United States, 567 U.S. 387, 394 (2012) |
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