Why would POTUS issue an executive order?

If there is a national emergency or a order regarding the entire nation.

Explanation:

The legal or constitutional basis for executive orders has multiple sources. Article Two of the United States Constitution gives the president broad executive and enforcement authority to use their discretion to determine how to enforce the law or to otherwise manage the resources and staff of the executive branch.

answer; the civil right act of 1964;

the main idea of monster inc is good and evil

if im wrong correct me but have a blessed day!