hmm I think well Idk I would see a lot of questions. Like for example how did you go to Japan if your visa is usually six months and you went like a year later. Also why did your adoption failed... I would write them a letter explaining them everything. Also make sure you have proof for 2011, 2012, june 15th, 2012.
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Sent: 9/11/12 NJ....................................Delivered: 9/15/12 Chicago, IL
G-1145: 9/19/12....................................I-797C Receipts: 9/22/12 CA
Biometrics: 9/28/12 for 10/22/12..Approved: Feb.1,2013
Waiting: 139 Days since application was received, 102 Days since bios