The formation of the united nations
That's a lot yikes. i have no clue sorry
If there equilibrium you are selling the ammount of the item buyers want to buy and there is no shortage or surplus, buyers make up the demand side of the market and sellers make up the supply side of the market and as buyers and sellers interact, the market will tend toward an equilibrium price.
It can be a building , like a town hall or school. usually there is one in each town, not specially for it, but for the time.
Depression: A mental health disorder characterized by persistently depressed mood or loss of interest in activities, causing significant impairment in daily life.
Possible causes include a combination of biological, psychological, and social sources of distress. Increasingly, research suggests these factors may cause changes in brain function, including altered activity of certain neural circuits in the brain.
economics: the branch of knowledge concerned with the production, consumption, and transfer of wealth. or
the condition of a region or group as regards material prosperity.