Why do the responsibilities of legislative and executive powers often overlap?

Question

Quizplus · Accepted Answer

The responsibilities of legislative and executive powers often overlap because separation of powers is rarely clear-cut. The Constitution outlines basic responsibilities for each branch, but in practice, there is some degree of overlap and cooperation between the branches in order to effectively govern. For example, the President has veto power over legislation passed by Congress, which can lead to negotiations and compromises between the two branches.

Why Do the Responsibilities of Legislative and Executive Powers Often