How does this excerpt from "The Black Cat" develop the exposition of the story?

Hello. You have not shown the passage to which this question refers, which makes it impossible for me to be able to answer your question accurately.

However, for a text to be able to develop the exposition of the story, it is necessary that the text develops the plot and introduces the reader to the main conflict. This is because the exhibition is the part of the plot in which the story to be told is presented and introduced. The best way to do this is to develop the plot, but allowing the reader to have a foreshadowing of the main conflict, which leaves the reader in the expectation of how the story will be developed.

it was the first major victory for the colonists.

the scientific revolution brought us a renewed understanding of humanity and our place in the universe, new scientific equipment, and new laws as a basis for future scientific discovery.