The second paragraph mostly contains the personal hardships the speaker has in her life as a Negro woman. Specifically, the sentences wherein she talks about no one helping her into carriages, ploughed and gathered in the farm, eat and work as much as a man, and being sold off to slavery best describe the emotional appeal she wanted to convey.
According to Hitchcock, using the resource of puzzling the audience is not the core of suspense. That is why he had never directed a puzzler or a whodunit. We can find evidence from this in an inteview he gave for the Hollywood Reporter in 1948, called 'Let'Em Play God', in which he clearly says: "I do not believe that puzzling the audience is the essence of suspense."
Regarding the difference between surprise and suspense, he explains that a surprise is something that produces a fright in the audice from a sudden. There is no expectation or tension before it because the scene has been created to take them by surprise. Otherwise, when a director creates suspense, the audience is prepared to what it will come, because you make them participate in the scene, you make them part of the situation.
Periodically throughout recorded history, puzzling instances of psychiatric and neurologic symptoms have presented en mass<span>: outbursts of thrashing and screaming, or je rky spasms and abrupt vocal tics affecting a group of individuals at once and often attributed to causes like possession, witchcraft, and malingering. Such occurrences of so-called "mass hysteria" continue to confound the medical community, but growing experience has improved the understanding and approach to these seemingly contagious psychogenic events. </span>