The assembly line would be my first choice.
Answer:
Yes
Explanation:
Germany treated the Jews horribly and it would have been completely unjust for them to not have done something to at least try and make things right after that.
By learning trades and becoming economically independent
Answer:
The Civil War
Explanation:
Pretty obvious why it happened. Confederate veterans were fed up with the Conservative legislators, so they created a hate group to go against the typical Conservative idea that slaves should be free. Hope this helps :)
The answer is Greek and Scandinavian
Hope this helps!