What was the reconquista?

a. the attack on pagans in the baltic region
b. the defeat of constantinople by the merchants of venice
c. the effort by crusaders to free jerusalem from muslim rule
d. the expulsion of muslims and jews from spain

the expulsion of Muslims and Jews from Spain

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.