The author describes the tactic plans and strategic plans in chapters 12 and 13 of your textbook.

Questions 1. What is needed to successfully convince the decision makers to arrive at a 'go' decision

Reference:

Ward, Chapman. (2011). How to Manage Project Opportunity and Risk: Why Uncertainty Management can be a Much Better Approach than Risk Management (3rd Edition). Wiley. ISBN: 978-1-119-96665-4