What changes in government and political power characterized the first half of the 20th Century?

d. migration

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.

people can see all information on a topic and believe it because of technology