Answer:
1. OK so there where multiply cause Germany keep invading countries and breaking treaties we joined cause of pearl harbor so i am not sure whats its asking but as far as the axis goes Germany Italy and japan made up this axis powers as for the allies the main ones where USA united kingdom and Russia
2.they believed that they where in the way of the perfect race and had to be exterminated.
3. terrible they were very poor they where treated like animals
Explanation:best i got hopes it helps a bit long yes but more chances of getting it right