How does the author support the claim that the President has an and ldquoenlarging scope of responsibilities?

The author supports the claim that the President has an "enlarging scope of responsibilities" by highlighting the increasing complexity of national and global issues that require presidential attention, such as economic crises, international conflicts, and public health emergencies. Additionally, the author may cite historical examples where presidents have expanded their roles in response to unforeseen challenges, illustrating a trend towards greater executive involvement in various domains. This expansion is further underscored by the growing expectations of the public for presidential leadership in addressing these multifaceted problems.