Answer :
Based on Jamie's interest in promoting projects and helping others through advertisements on social media, the organization that would be best suited for her is Future Business Leaders of America-Phi Beta Lambda (FBLA-PBL).
Here's why FBLA-PBL is a good fit for Jamie:
1. **Focus on Business and Leadership:** FBLA-PBL is an organization that emphasizes business skills, leadership development, and career preparation. Jamie's interest in promoting projects and helping others aligns well with the focus of this organization.
2. **Networking Opportunities:** FBLA-PBL provides ample networking opportunities for its members to connect with professionals, peers, and potential collaborators. Jamie can leverage these connections to further her social media initiatives and advertising efforts.
3. **Skill Development:** Being part of FBLA-PBL can help Jamie enhance her marketing, communication, and leadership skills, which are essential for her activities on social media.
While other organizations like Family, Career and Community Leaders of America (FCCLA), SkillsUSA, and DECA also offer valuable experiences, FBLA-PBL stands out as the most suitable option for Jamie based on her interests in social media promotion and advertisement.