Final answer:
The history of the executive branch is characterized by its growth and expansion over time, with the establishment of a cabinet and the increase in federal bureaucracy. Today, the executive branch consists of numerous departments and agencies.
Step-by-step explanation:
The history of the executive branch can be understood through its growth and expansion over time. Initially, the executive branch was established with the president's need for assistance in enforcing laws, as seen with George Washington establishing a cabinet. However, by the 1930s and 1940s, there was a significant increase in federal bureaucracy. Today, the executive branch consists of 15 cabinet level departments, numerous government agencies, and over two million civilian employees in various locations.