Assuming there is no right or wrong answer for this as long as you provide support, within the bible God says to the Israelites, "I will bless those who bless you and curse those who curse you," in this regard the foreign policy between US and Israel would tie into God's relation to the US. Hope this was helpful.
Because popular sovereignty was well supported because it allowed the local citizens of a territory to decide if slavery was to be allowed or illegal. Stephen A. Douglas pushed for popular sovereignty during the 1840's.
