> A spokesperson for Bank of America said the bank has to collect that information because they aren’t legally allowed to provide services to people from countries the U.S. has economic sanctions against.
> But the spokesperson said a person who has U.S. citizenship can still use their account even if they are also citizens of a sanctioned country.
http://www.seattleglobalist.com/2018/04/13/bank-asks-about-c...
See also: https://www.quora.com/All-of-a-sudden-Bank-of-America-is-ask...