During the planning phase of a construction project, the project team discovers the site is the nesting area birds, and construction could disrupt the bird's patterns. Lobbyists would like the team…

Resources refers to personnel, equipment, or materials used in the project - lobbyists are stakeholders who apply influence, not project resources.

Environmental constraints include natural conditions such as wildlife habitats and ecological factors that restrict where or how a project can proceed, directly applying to the nesting bird situation. Lobbyists are a recognized type of external stakeholder who exert influence on project decisions without participating in project execution. Together, environmental constraints and stakeholder influencers accurately categorize both elements presented in the scenario.

Deliverables refers to project outputs or work products, not to natural environmental conditions such as protected wildlife nesting areas.

Deliverables does not describe the bird nesting environmental issue, even though stakeholders correctly describes the lobbyists in the second part.