# blog.migration-usa.com


## Posts

- [Visiting the US While a Petition Is Pending](https://blog.migration-usa.com/visiting-us-while-petition-pending/): Visiting the US while a petition is pending can be possible, but entry is never guaranteed. Learn how intent, evidence and timing affect admission.
- [Is Your O-1 Visa Evidence Strong Enough?](https://blog.migration-usa.com/o-1-visa-evidence-eligibility/): Considering an O-1 visa? Learn who qualifies, what evidence persuades USCIS, how petitions work, and where exceptional cases can still fail before filing.
- [Marriage Green Card Requirements: Proving Your Case](https://blog.migration-usa.com/marriage-green-card-requirements/): Marriage green card requirements turn on a real legal relationship, correct route, complete evidence and careful handling of prior immigration issues.


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