International relationships are preordained to be clumsy gestures based on imperfect knowledge.
God preordained for his own glory and the display of His attributes of mercy and justice a part of the human race without any merit of their own to eternal salvation and another part in just punishment of their sin to eternal damnation.
It matters enormously to a successful democratic society like ours that we have three branches of government each with some independence and some control over the other two. That's set out in the Constitution.