John Korsh 
Confronting the US Presidents [EPUB ebook] 
From JFK to Biden – How Their Policies Impacts America

The Evolution of Presidential Power: From the 1960s Onward
The Rise of a President
One of these turning points came during the 1960s, when a radical expansion in presidential power took place. During this era, the presidency acquired more power by legislative moves as well as from the strategic initiatives of its occupants.
This essay examines the historical background and stages of change that resulted in this noteworthy evolution in American political dynamics.