Explain why there have been changes in the work of the police in the period from c1900 to the present day

Explanation:

At the turn of the century, public perceptions about prisons needs to transform. Prisons were frequently recognized as a kind of punishment in and of themselves. The growing crime rate after 1945 resulted in a significant growth in the jail population. Overpopulation and, at occasions, an access to education and courses have resulted as a result of this.

so they can differentiate themselves from others as they saw themselves as the superior race. the star was basically a symbol that meant you are a less of a person than i am because of my race. the star was also degrading for those who had to wear it because they were aware of this and the nazis used the notion to make them feel less like a person.

a memoir is the correct answer