2 things that led to the development of the 2 party system

People with the same general views started to group together and this created the political parties. Two main groups prevailed and had very different views and this led to them sticking around.

1. The politicians needed more votes than they could get by just running on their own with out the support of a party

2. When America was founded there were 2 main opposing view and these parties gain the support of most citizens and pushed smaller parties out of the political spotlight

Explanation:

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.