Can someone move this post to the right location for me?
My mum is an house wife. Never had anything on her name. How can she show ties with her country?
In my first reply I provided you with a link to the B-visa related forums.
Here is a direct link to the subforum on the general B-visa related issues:
http://forums.immigration.com/forumdisplay.php?184-General-B-Visa-and-Related-Issues
Click on this link and post your question there, in exactly the same way as you posted it here. I don't believe that you are so helpless that you can't post your question in that forum yourself.
Regarding the substance of your questions about difficulties in getting a B-visa, I don't have any direct experience here myself so I can't give much in terms of specific advice. I believe there do exist procedures for appealing visa denials. If you think that the denials are getting unreasonable, you can also contact your local members of Congress (the two U.S. Senators for your state and the member of the U.S. House of Representatives for the area where you live) and ask them for help; they have staff experienced in dealing with these kinds of requests from constituents. However, you do need to remember that in relation to temporary visa applications there is a presumption of guilt, so to speak, on behalf of the applicant. That is, by law, there is a presumption that the applicant intends to come here permanently and the burden is on the applicant to overcome that presumption and to prove that he/she actually intends to return. In some cases it may be practically impossible to do that; the law is not fair but that is the way it is.
If your mom is a house-wife, presumably she lives in a house owned by her husband, right? Having property and family connections in the home country is the sort of thing that they are looking for, if she can properly document it. Then there are things like community ties - participation in local church, volunteer and other community groups, etc (again, this stuff can be documented, at least with affidavits from individual people involved in such groups). You and your mom would have to be pro-active here and treat this issue as a practical problem, research the problem carefully (that's what internet is for) and figure out possible solutions. Acting helpless is not going to work. Ultimately, if she is unable to provide convincing evidence of ties to her home country, she simply would not be able to get a visitor's visa, ever. From the point of view of the law and of the consular officials, the inability to get proper supporting documentation is her problem, not theirs, and if she can't solve it, tough luck.
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Oops, I see that somebody has already moved the entire thread to the right forum. Hopefully, you'll get more substantive answers here.