Humans developed ways to carry water which aloud travel through the desert wihtout dehydration, as well as fire which was developed and made it eaisier to live in frozen or cold places. you could also say that humans developed buildings that are more perminate and can be used to avoid the rough weather or environment.
C. was not one of the requirements of the Versailles Treaty.
1: they feared that they would get deported by the imgration officer.
2: they also feared that there family member(s) would get sent back
3: lots of people had different types of diseases and they thought they would catch them and get sick.
4: had fear of getting lost.
5: most of them didn't have family there so they were worried that they would have to live on streets or that they might jot get a job.
hope these were enough reasons. there r more reasons but these were the only ones i knew of so yea.
