Jeff, we shouldn’t be trying to ‘nation build’ where a modern nation has never previously existed. Japan and Germany were successful endeavors as far as nation building went because they had already been modern nations.
Nations like Afghanistan and Somalia should be treated the same way we dealt with pirates around 1800 - without mercy. Back then we dealt harshly with those who gave succor and protection to pirates/terrorists. We bomb, sack and burn their major cities; make supporting pirates/terrorists so painful, the miscreants will be killed by the population at large.
It took some mighty great arrogance to think Afghanistan could be morphed into a modern nation, not to mention piss poor advice. Really, none of the Muslim nations qualify as modern nations - aboslutely none of them.
We reduced Germany and Japan to rubble, and a lot of their people to the graveyards before they turned and were willing to unconditionally surrender and reject Nazism and Imperialism.
We have to do the same to radical Islam for starters...then and only then will they be utterly defeated and then we can talk about what happens to the lands where their Sharia Law and tyranny once ruled...to whom it should belong and who can govern it in peace. But not until then IMHO.