Retirement is the time when becomes more critical, as we may not be earning wages. it is the lifeline of survival.

cash flow

Explanation:

According to my research on living necessities, I can say that based on the information provided within the question what becomes most critical is the cash flow. When a person retires they are no longer working, therefore there is no cash coming in unless the have a retirement fund are are getting paid a retirement income by the government. Cash Flow is a necessity in order to survive.

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the united states constitution is the supreme law of the united states. the constitution, originally comprising seven articles, delineates the national frame of government. its first three articles embody the doctrine of the separation of powers, whereby the federal government is divided into three branches: the legislative, consisting of the bicameral congress; the executive, consisting of the president; and the judicial, consisting of the supreme court and other federal courts. articles four, five and six embody concepts of federalism, describing the rights and responsibilities of state governments, the states in relationship to the federal government, and the shared process of constitutional amendment. article seven establishes the procedure subsequently used by the thirteen states to ratify it. it is regarded as the oldest written and codified national constitution in force.