D because it seams most logical
The answer is standard of living. Standard of living refers to the quality and quantity of products and goods available to a population at a given time. It is also defined as the level of wealth, comfort, material goods and necessities available in a certain geographic area or place.
Social needs and the need to belong to a group.
Bull market is the answer
<span>“Black Tuesday” </span>October 29, 1929 – 1941