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To get residency, or a visa, you either need to be in the lottery for visas or be sponsored by a company. The lottery is very hard to win (only 50000 I believe) and no company is going to sponsor you unless you have useful job skills.
Now, you can live here illegally, which might be more feasible. Jobwise, you might just get by if you say you ran away from parents and have no social security info and whatnot. So long as you don't look Mexican you'll be ok.