The notion that every employee within a hierarchy tends to rise to his or her level of incompetence is referred to as

The notion that every employee within a hierarchy tends to rise to his or her level of incompetence is referred to as "Peter Principle".

Explanation:

Being developed by Laurence J. Peter observes that people in a hierarchy tend to get increased to their "level of incompetence". This was written clearly in 1969 book The Peter Principle written by Raymond Hull and Dr.Peter.

In most of the organisational hierarchies namely corporations, for all the employees (workforce) there will be promotion until they reach the level of their respective incompetencies.

the correct answer is:

it required the president to inform congress within forty-eight hours of any new troop commitment.

the war powers resolution (1973) is a federal law designed to limit the u.s. president’s ability to initiate or intensify military actions abroad without the approval of the congress.

it establishes that the president can send armed forces into action abroad only by declaration of war by congress, statutory authorization, or in case of a national emergency created by attack upon the united states, its territories or possessions, or its armed forces.

it requires the president to notify congress within 48 hours of sending armed forces to military action.

answer: a. the kind of population living in your neighbourhood.

the census explorer data tool by the us census bureau allows the user to zoom in on any neighbourhood within the united states and find the kind of people residing in that by race and age.  

the tool needs to needs to be used twice – once in order to find what type of people reside in a neighbourhood, and then to see the age groups of the people in the same neighbourhood.