The formerly aggressive nation took the lesson, however. It committed all its resources and efforts to rebuilding itself as a peaceful and democratic country. Despite the loss of lives and territory, within a decade since its defeat, a new, prosperous and democratic Germany was there. Now, Germany is a powerful, respected and yet non-aggressive country, which is an ally of its former enemies.
As to the lost lands and homes, nobody dares to raise this question anymore. It's the past, and history knows no justice. Bad things happen to good people way too often. Sorry, but nobody will ever give back East Prussia to Germans. Nobody will ever indemnify its former citizens who left their homes. (No, I am not advocating collective punishment such as forcibly displacing masses of people—I am merely saying it sometimes happens throughout history. It's not possible to undo an injustice by committing the opposite injustice, such as driving out Poles or Russians from the lands that once used to be German.)
Once upon a time in a different place there was another nation that embraced an aggressive, hateful and racist ideology. The nation invaded its neighbours with the intention to subjugate or, better yet, exterminate them. After years of fighting and war crimes, the aggressive nation was finally defeated, and its country laid in rubbles. It lost millions of lives and a great deal of its ancient lands. Many civilians were forcibly driven out of their homes and lost their properties forever.
Regrettably, the other nation hasn't learned anything. It has suffered the loss of lives, loss of territory, property, and national pride, but still is wedded to the insane ideology that has caused its plight. Instead of building a new peaceful and prosperous country in the territories that have remained under its control, the poor clueless nation still puts its feeble resources into fighting, in spite of having precisely zero chance to win.
Yes, you've certainly noticed that the latter story is about Palestinians. This is a nation which has never really become a true independent nation due to its obstinate inability to recognise reality. They may have had their independent state since 1948; if they only wanted. They may have chosen peace and co-existence with their Jewish neighbours. They have refused it all the time—and have paid bitterly for their wrong decisions ever since.
Worse yet, they haven’t even realised they have been wrong all the time since 1948. They keep fighting their asinine fight being supported by anti-Semites from all across the world. Instead of finally understanding their situation, they keep themselves imprisoned in their stubborn ideology of the anti-Jewish hatred. They rejoice over every single killed Israeli man, woman or child. They brag about their courage and determination, but instantly start whining and moaning each time when surprised with an Israeli counter-attack. (If you keep attacking your neighbours, it really comes as a big shock when they counter-attack from time to time, isn't it.)
No, to be sure, Palestinians don't deserve their predicament. They, however, need to be explained they've been wrong. I'm somewhat sceptical whether they want to know the truth. Thus, the long and sad story is likely to continue on and on. Not a happy ending.
And no, I am not advocating anything like this: