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.
The Roman Law or the Twelve Tables
Spain colonized Florida and Rio Grande Valley because Spain wanted to protect its colony in Mexico from other Europeans. The correct option among all the options that are given in the question is the second option or option "B". I hope that this answer has helped you.
Issac newton motion is still used today