"Happen" is a verb that refers to the occurrence of an event or situation, while "happening" is a noun that describes an event, situation, or occurrence. So, something can happen, but for it to be a happening, it must be an event or occurrence that is currently taking place.
To mean something Taking a situation seriously: not to laugh at it
defined as the recollection of a previous event or happening in order to clarify a current situation in a literary work
Determining the volume is the situation that describes a cubic unit.
"Blanket of indifference" refers to a state of apathy or lack of interest in a situation or towards someone. It describes a feeling of detachment or disinterest that may prevent one from fully engaging or caring about what is happening around them.
critical
ask your mom
They showed the truth on what was happening in the situation.
awkward/humiliating predicament
Monopoly.
trade surplus
Chain Banking is a situation in which three or banks that are independently chartered ,are controlled by a small group of people.