Haruto, a supervisor at TechFounder Co., is often seen carrying his body erect, with good posture, when he is in office. He is also definite in his discussions regarding TechFounder's goals and culture. He is often heard making assertive, accurate, and insightful comments regarding his own specialization. In this scenario, which political strategy is Haruto using?
1) helping others
2) signaling confidence
3) building relationships
4) assuming greater responsibility