Should the borders that we have come to know in the post-World War II/post-Cold War worlds be considered sacrosanct? Should the borders that we have come to know in the post-World War II/post-Cold War worlds be considered sacrosanct? With secure borders, the existence of South Yemen would make it harder for Tehran to smuggle weapons and supplies to the Houthis. Add it all up, and it is hard not to conclude that South Yemen’s independence would likely make the Arabian Peninsula more stable. Both countries would make it easier and relatively less expensive for the United States to achieves its goals in the Middle East and Horn of Africa.