What is your definition of war

Formal defanition: a state of armed conflict between two or more different countries/groups.

Informal Definition: When a bunch of countries get together and go bang bang pew pew with another group of countries.

a battle against two different nations and their allies

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.

to act quickly in times of danger to the united states

because you have to act quickly if you want to live/survive.