The Eagle, Globe, and Anchor—the most distinct of all Marine Corps marks—has a long and storied heritage as the emblem for the Marine Corps. It is the basis for the flag, the seal, the branch-of-service insignia, and many of the logos.
Authority justifies a state's use of power over its citizens.
I'm not sure if I remember correctly, but I believe it's C.) Passing laws that apply to actions taken before the law was passed.
Segregation means the action or state of setting someone or something apart from other people or things. meaning 1) the separation of all are correct because they are all being set apart from something or someone.