According to the rule of , if a promisee's performance was rendered before the promisor's promise was made, then it can never serve as consideration, even though it may meet the "legal value" part of the test.

The correct word for the blank space is: Consideration.

Explanation:

In Law, Consideration implies doing or stopping doing something typically monetary. Consideration is the act by which a promisee provided a service without the promisor making a promise or contract. Consideration usually departures from the promisee but is not followed by the promisor even if the causes of the promise are sufficient enough to request a promise from the promisor but in part they are inadequate.

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.

answercontrol is returned to method c;