Answer:
People who didn't own slaves, as people who aren't just old crusty fat white men.
It put alot of debt and restrictions to the german country and their people, stripped them of their territories and made them pay for war damages across europe while they were dealing with an economical collapse of their own within. as you can imagine this was impossible to get out of plus having to deal with an unbelievable homeless and jobless rate in germany. This all set the stage for Adolf Hitler to power in germany, and with the german people's support.
One advantages of having more than one political party is you have different perspectives and ideas on how to solve problems. One disadvantage is the different parties will have a hard time agreeing and solving problems because they will both think their right.
