I am Sudanese national and have 4 children two of...

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We would like to inform you that if you have Sudanese nationality and have children with American Nationality and you applied for visit visa. Then you have to review the USA embassy to find out the rejection reason, as to be able to appeal against the rejection decision during the period that the embassy will determine.
You have to prove documents to prove that the rejection decision wasn’t right.
Note that sometimes the parents who have American children can get rejection for the visit visa.

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