Based on the guidelines in the text which is the best research strategy opal should use

On november 17, 1968, football fans across the united states sat glued to their televisions. a close game between two top teams—the new york jets and the oakland raiders—was being broadcast. when the jets pulled ahead with only fifty seconds remaining, viewers went wild. but then, just as the raiders were bringing the ball across midfield, the game disappeared from the screen! in its place, a previously scheduled children's movie, heidi, started playing. callers flooded the tv network's phone lines, but it was too late. the raiders scored two touchdowns in the very final moments—touchdowns that were unseen by all but west coast viewers. as a result of the interrupted event, dubbed "the heidi game," television networks began delaying their regularly scheduled programs until football games had ended.

Media project total score: of 100 points during the next several lessons you will create a media project about a place that is important to you, such as the place where you live. your teacher will score your assignment using the media project grading rubric. look at the rubric yourself so that you know how your assignment will be scored. you may create your project using a word processing presentation program or a slide program such as powerpoint®. include a title slide, two or three content slides, and a sources slide that contains the urls of your online sources. save the document to your computer with your name at the end of the filename (e.g., ng_ela 9-10_w_11_ga alice_jones). submit that document to your teacher for grading refer to the media project assignment document and follow the steps to complete the assignment. when you have finished, submit the assignment document to your teacher for grading.

Read the sentence. thomas jefferson himself worked on a draft of the document. what kind of pronoun is himself?