Answer:
Because it is under the wider movement of pro-choice americans that oppose anti abortion laws.
Explanation:
The pro choice social movement pushes the abortion rights agenda in the US, under the criterion that a woman is free to dispose with her body as she pleases. Naral pro-choice america is a platform which engages in lobbying and activism to spread the pro choice message across america. As a consequence, it is representative of a social movement organization.