What will happen if American marriage immigrants fail in the interview?

1. It takes a long time to file a complaint. If it fails, reapply;

Step 2 reapply directly

If it is supplementary material, it depends on what material is supplemented, not supplementary material with doubtful relationship. General supplements can be passed;

If it's a sensitive major with a bad accent, party member needs time, and the FBI needs to check it.