What were 2 reasons May 30 was the chosen date for Memorial Day

According to legend, Logan chose May 30 because it was a rare day that didn't fall on the anniversary of a Civil War battle, though some historians believe the date was selected to ensure that flowers across the country would be in full bloom

d.prevent the spread of communism outside of eastern europe.

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.