Both for economic opportunity and to start cattle ranches (mainly economic opportunity though, as they didn't really discover cattle herding until seeing it done by the western Indian tribes
Solar Power Is the answer to this question
Much of their resources had been depleted during the war, especially on the losing side. What also added to this factor was that many towns and cities had been destroyed, and much of the farmlands and crops were damaged also. So not only were the governments weakened after the war, they were also lacking soldiers to defend themselves in case of another war. Germany eventually built up an military to start WWII later on in 1938 - 1939.
Answer:
It goes against moral sense that is neither right nor safe.