The shared theme about leadership in 'How Theseus Lifted the Stone' and 'How Arthur was chosen king' is that great leaders must be worthy of their positions.
Great leaders must be worthy of their positions is the shared theme about leadership in 'How Theseus Lifted the Stone' and 'How Arthur was chosen king.' Both Theseus and Arthur prove their worthiness through noble deeds and qualities, establishing the importance of integrity and character in leadership.
https://brainly.com/question/16664067