The Nazi's were a group of people who wanted to feel like they are the best. People of disabilities were in the Nazi's way. Thus, they felt justified when murdering these innocent people. People with disabilities faced some of the common consequences as Jews or Gypsies. Hope this helped :)
Answer: It lowered the cost of printing.
The answer is B, they basically destroyed everything but since Baghdad was an important symbol of knowledge the books being lost was detrimental to progress
Answer: B