Answer: Petition NLRB for an election
Step-by-step explanation:
Unions are one of the forms to bring reform in most societies and organization. This consist of people working in an organization or society and want to see a better results from the existing they have always known. For this change to be carried out despite the union, there needs to be an election and for that election to hold the body that forms the organization has to give an approval for such. This is called petitioning.