Ritical Thinking Managements Role in decision implementation

This is not a paper. I have two groups of questions to be answered.

Group1What are managements role and responsibilities in decision implementation? What factors affect decision implementation? How should these factors be addressed in order to assure the effectiveness of the decision?

Group 2 What are the steps for effective management of a decision implementation plan? How should managers monitor the progress of decision implementation? What considerations are important to consider when implementing decisions in global orgranization?