Write an inquisitive question about a specific text span in a given sentence such that the answer is not in the text.
Q: Sentence: California and New York still lure hundreds of thousands of immigrants from across the globe , but Texas , Florida , Colorado and the Carolinas are far more magnetic for people already living in the country , according to new estimates released Thursday by the U . S . Census Bureau .<sep>Span: magnetic
A:
why are these states magnetic?