The overall structure of Pausch's Last Lecture supports his purpose of enabling the childhood dreams of others, because it allows him to explain the problems he had in realizing his dreams and how he solved them.

earn his audience's attention and then relay details about his experiences and learned wisdom.

illustrate why one's dreams need to be pursued in a logical order if success is to be obtained.

compare his dreams and successes to those of famous or respected people.

earn his audience's attention and then relay details about his experiences and learned wisdom.

Explanation:

According to the book, "The Last Lecture" by Randy Pausch, he details his battle with cancer and how he was given few months to live by doctors.

As a result of this, he began recalling childhood dreams, and other experiences and was in fact, excited, despite the sickness.

The overall structure helps to support the goal of the author of helping people realize their dreams as he attracts the public attention and conveys detail about his childhood.

uhh i would say.. 100 years or innovation?