### Instruction: What made Jackson decide to pursue acting?
### Input: In Seattle, Jackson worked as an ad executive at a magazine and did some theater work on the side, earning his Equity card. "As soon as I found out what theater was, what Broadway was, I thought, 'Oh, that's what I'll do with my life.' Just a matter of getting all the pieces in place", he said. Inspired to rethink his career after the September 11 attacks, he moved to New York City to pursue his dream of being an actor: "[Acting] was something I always wanted to do but I was too scared and didn't have the confidence. 9/11 changed everything for all of us. It gave me the urgency."
### Response: The occurrence of the September 11 attacks