Explain the historical circumstances that led to the Holocaust in Europe

Germanys loss in WW1 and the treaty of Versailles

Explanation: Germany had lost the first world war and as such had been strictly limited on the amount of armed forces it could have. Hitler was a gifted speaker and conviced the german pepople that he could stop the harsh treatment of germany. (Something like that)

the answer to your question is a because laws act as guidelines as to what is accepted in society. without it there would be conflicts between social groups and communities. it serves as a norm of conduct for citizens.