They felt the need that they had to be "twice as good to get half as far as their white counterparts" and they came to know that their jobs proved certain "negative stereotypes" are key details.
Explanation:
The chapter of Hidden Figures, which is a biography of Margot Lee Shetterly, with the chapter being named War Birds, deals heavily with the consequences of Racism and inequality between the races of Black and White people.
The chapter also states that how they had to work nearly twice as good to even get noticed by the higher ups, thus making the first of the chosen options. Not only that, but they were being discriminated against on the basis of their race, thus solidifying the negative stereotypes.
