I dyed my hair green because I wanted to make a statement. I didn’t think that statement would be, “Search my backpack!” A police officer stopped me and said that he was going to search my backpack because he didn’t like my hair color. Do I have a right to privacy in this circumstance? and Why?

I think you do have a right in this circumstance because the police is pulling over because of a personal reason like he shouldn't pull some one over because you do not like something such as hair color  

quid pro quo sexual harassment typically involves an employee being pressured by a superior to provide sexual favors in order to avoid being fired or demoted, or in order to get a promotion, raise or perk.

counter-terrorism incorporates the practice, military tactics, techniques, and strategy that government, military, law enforcement, business, and intelligence agencies use to combat or prevent terrorism.

basically prevent, pursue, protect, and prepare, google it if you need more info