Final answer:
Empedocles believed that the world was made up of four elements - Earth, Air, Fire, and Water - which were influenced by the primary impulses of Love and Strife.
Step-by-step explanation:
Empedocles believed that there were four elements that made up the world: Earth, Air, Fire, and Water. These elements were moved about by the two primary impulses of Love and Strife. Love brought the elements together, while Strife caused them to separate and combine in different ways.