Incorporate what? if you mean their selfs then i would say by giving a spice of them self or make their story have some character that relates to them, but then again the story itself is them already.
A dependent clause
Since it DEPENDS on the independent clause to complete the thought.
Answer:
The most obvious difference between footnotes and endnotes is the placement of each within a paper. Footnotes are found at the bottom of a page (i.e. in the footer) and endnotes are located at the end of a complete document, or sometimes at the end of a chapter or section.