Punctuation for multiple questions in quotations?

I'm trying to punctuate this right. I don't know if I should put the whole thing in quotations v. each question. Also do I need question marks for every question? What do I put at the end (period or question mark?

My academic interest has been peaked by questions such as "Why do different groups of people or communities fight?," "why and how is racism perpetuated today?," and "What causes minority groups to stay in a poverty cycle?"

Roger Lathbury2013-02-03T12:54:35Z

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My academic interest has been piqued by questions such as why different groups of people or communities fight, why and how racism continues today, and what causes minority groups to stay in a poverty cycle.


Spell "piqued" correctly.

You don't mix interrogative and indicative modes within one sentence if only one person is speaking; therefore you want to state your questions as declarative sentences.

I suspect that you don't mean "perpetuated." If so, replace "contnues" with "is perpetuated."