What is a department?
-a bureaucratic arm of the executive branch tasked with enforcing laws of a particular area of american life

-an area of walmart

-a bureaucratic arm of the executive branch that writes laws in particular areas of american life

-an arm of the legislature that oversees the executive branch

A bureaucratic arm of the executive branch tasked with enforcing laws of a particular area of American life

Explanation:

The government is divided into different departments where each department focuses on a specific area of American Life and enforce laws related to that aspect of life

For eg: education department, finance department etc.

Each department has it's own senates and they have the authority to enforce laws and supervise the activities happening in that area of American life. They deal with their own area of expertise.

the answer is a. apartheid.