In this case, coalition building refers to the political behavior that helps attain a specific objective. Various decisions in the company are made with the help of coalition before having a formal interaction for the same. For example an employee has a plan for new services that can be offered by the organization, but he does not possess the authority or power to start that service.

Thus, he can discuss the same with his immediate boss and take his approval for further implementation of the idea. This political behavior is restricting LW to get what is required by her because she has represented her point of view in front of P but failed to get approval from him in order to get wider support on his points.