Final answer:
A leader's statement that emphasizes their own decisive role and influence in shaping the course of history demonstrates the Great Man theory of leadership. It reflects the belief that key individuals, through their exceptional qualities, significantly impact historical events.
Step-by-step explanation:
The Great Man theory of leadership posits that history can be largely explained by the impact and actions of "great men," or highly influential leaders who, due to their personal characteristics, intelligence, wisdom, or political skill, shape the course of history. A statement by a leader that most clearly demonstrates this theory would likely emphasize their own decisive role in historical events or the importance of individual leadership in achieving success. For example, a statement like "This nation's greatness was forged by the bold decisions I made whilst at the helm" would reflect the Great Man theory.
Leaders who propagate this theory often point to their personal achievements and exceptional qualities as being instrumental to their leadership and historical impact. The portrayal of Stalin as both a 'father of the people' and a successful military strategist emphasizes his individual role in Soviet history, aligning with the Great Man theory. Alternatively, the rejection of ideas to rename cities in his honor or be given prestigious titles could be a modest display but still underlines the powerful association between the individual and the historical narrative.