How was the use of the scientific method in the milesian school important to the development of ancient greek philosophy?

The use of scientific methods in ancient Greek philosophy helped to inculcate reason and explore the basic principles behind the origin of matter and materials.  

Explanation :

The Milesian school was revolutionary as it liberated the heavenly phenomena or the organization of the world.

The school gave importance to questioning the occurrence of the phenomena observable around rather than attributing it to God’s will.

Three philosopher’s comprised the Milesian school of thought: Thales, who was the founder, Anaximander and Anaximenes.

Thales’ questioning approach towards the heavenly phenomena in order to comprehend its occurrence is thought to have initiated Greek Astronomy.  He brought the dawn of western enlightenment. He gave any theories to explain natural events.

the statement flat characters usually only have one trait that is developed in their story lines is true.

faith or loyalty when pledged in a solemn agreement or undertaking.