These views has begun to transform Greece from a religious state to a more secular one. They progressed from worshiping many gods to mainly focus on philosophy and how the world works without divine intervention. This helped bring about the Hellenistic period because it shifted focus on ethics, science, and logic. Most Greek cities participated in this and because of their trade, and warring states the thoughts spread throughout Afroeurasia. This led to thinkers such as DesCartes and Voltaire in other parts of Europe. The Greek philosophy has influenced that is continued today because of the science involved with their philosophy. Pythagoras' theorem is taught in current Geometry classes, and the theory of atoms is taught in science classes.