“Doubly revolted” is used to describe how her mother feels about the dictator in the sentence, "Perhaps because she had innocently revered him, my mother was now doubly revolted by this cold-blooded monster." Revolted means disgusted. “Obsession” is used to describe her mother's obsession with the dictator in the sentence, "He became something of an obsession with her". “Cautionary tales” is used to describe how her mother would talk about Trujillo a lot in the sentence, "As my sisters and I were growing up, Trujillo and his excesses figured in many of my mother’s cautionary tales." It's safe to assume that her mother was very interested in Trujillo.
The main way in which the causes of the enlightenment were similar to the causes of the industrial revolution was that both focusses on the "common man" instead of the elite.