Why does Pa yield his traditional position in the family to Ma in The Grapes of Wrath by John Steinbeck?

Pa yields his traditional position in the family to Ma in The Grapes of Wrath by John Steinbeck because Ma emerges as a strong and resilient leader, capable of making tough decisions and providing stability in times of crisis. Pa's diminishing role reflects his feelings of inadequacy and uncertainty, as he struggles to cope with the challenges of the Great Depression and the changing dynamics within the family.