Read the first sentences of president kennedy's report to the american people.
this afternoon, following a series of threats and defiant statements, the presence of alabama national guardsmen was required on the university of alabama to carry out the final and unequivocal order of the united states district court of the northern district of alabama.
which best describes how president kennedy appeals to the audience at the beginning of his speech?
he relies on his credibility as the president to capture the attention of the audience.
he uses parallel structures in his speech to underscore the main points of his argument.
he creates a logical foundation of facts on which he can build an emotional appeal later.

From the choices you show, I'd go with "creates a logical foundation of facts on which he can build an emotional appeal later."

I've seen a version of this question, though, that added a fourth option, which may be better: He uses emotionally charged language so that the audience is immediately emotionally involved.

"... following a series of threats and defiant actions" is emotionally charged language regarding those causing the problem.

"... the final and unequivocal order" is emotionally charged language about the court-ordered action that needed to be enforced.

The context of the remarks by President John F. Kennedy:  Racist policies in the South were preventing black citizens from access to education.  When 2 black students sought to register at the University of Alabama in June, 1963, the governor of Alabama, George Wallace, brought in state troopers to support the racial segregation policies of the university.  President Kennedy forced him to back down by asserting in his speech (June 11, 1963), that he would federalize the Alabama National Guard and use it to enforce the court order allowing blacks access to the university.

i think it could possibly be b

what are you asking?