Which sentence is a complex sentence?

What point was thomas paine trying to make by relating this antidote

Have you ever contributed to “social media outrage” (using your social media accounts to boost the anger about a contemporary issue by forwarding it, liking it, etc.) without stopping to think who might’ve originated the message or what the originator’s motives might’ve been? provide example.

3. cite evidence the author cites several statistics in the section "why protest? "what are some of these statistics, and what is their function in the document?