Why does intersectionality matter in development-what are the outcomes for projects which do not take an intersectional approach?

The Importance of Intersectionality in Development

The requested essay should answer the following question:

Why does intersectionality matter in development and what are the outcomes for projects which do not take an intersectional approach? Give at least TWO examples in your answer.

This essay is required for the development studies department in SOAS University of London.
Of course it requires an academic writing style of Masters students.
It requires 10 academic sources, and will share some in the attachments for help but they are not mandatory. Any source used in the essay must be academic preferably from the library of the University of London, JSTOR, or OpenAthens. Accordingly a bibliography is required.
The text has to be original with maximum 10% similarity.