Many different groups helped in the building of the Korean Wall.
The police officer is given probably cause, such as personally seeing suspicious activity. I hope this helps!!
He did so because he wanted revenge on France and England for winning the first war. He was a young soldier in the WWI and felt that Germany was shamed after the war. So he started the second to gain respect back and to prove that their country was also a great superpower. He believed in racial purification and wanted to take over Europe and remodel it the way he wanted.
The KRISTALLNACHT was "<span>b. A Nazi-arranged attack on thousands of Jewish stores," since this was after Hitler had risen to power and demanded that thousands of Jews be moved to concentration camps. </span>
D) police force and sewer in london