Go in and find the girls right away without help from any other nation
Get approval from congress then act
Just help the goverment where the girs live
over 700,000 children go missing in the US every year....right here in our own backyard.
"It is only when men contemplate the greatness of God that they can come to realize their own inadequacy." Jean Calvin
Actually they are valuable as they were likely kidnapped for sale.Most are likely dead by now the rest, traumatized.
Actually there is a ton the US can do.Also, there's nothing Obama can do.