What were the pilgrims required to do if they wanted to leave europe

Pledge loyalty to the King in return for passage to the New World.

Hope this helps! :)

they wanted the u.s. to fight on the side of the central powers.

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.