what is the importance of the battle of marathon

Answer 1

https://www.livius.org/articles/battle/marathon-490-bce/the-significance-of-marathon/

Answer 2

what do i do cause i Read it and

Answer 3

I don't understand

Answer 4

"Still, the fight had important consequences: it gave rise to the idea that East and West were opposites" -- from the above web site

What does your reading assignment say?