> Kind of nuts that there are different rules for out-of-wedlock US citizen father vs out-of-wedlock US citizen mother. Why? I think that's the historical stan

> Kind of nuts that there are different rules for out-of-wedlock US citizen father vs out-of-wedlock US citizen mother. Why? I think that's the historical standard. True maternity has always been easy to establish, but paternity had to rely on legal institutions and custom.