Why would a project manager be concerned about the safety and security needs of his or her project team members? a. These are actually supervisory concerns, so a PM would not really be concerned with these b. They are foundational elements of Maslow's Hierarchy, leading to Self-Actualization c. These are the lower elements of Cog's Ladder and must be achieved to move up to the top rung d. These are the two starting points in the Thomas-Killmann model of conflict