In the classic face/vase drawing, you can see both the face and the vase if you are able to reverse the relationship.

The answer is "Figure-ground Relationship".

Figure-ground Relationship (additionally called positive and negative space) is utilized two and three dimensional outline. In its fundamental sense, it alludes to a psychological capacity to isolate components in view of complexity, that is, dull and light, high contrast, differentiating hues and "there" and "not there". In figure/ground connections the nonattendance or void is as essential as the filled-in or possessed regions in the composition.

B. it promoted the powers of the executive branch

D. a conflict between her competing identities.