Question

Darius' invasion of Greece began the _____

Answer 1

Answer:

a I believe if not sorry for being wrong

Answer 2

Hai!

It's A.

Why?

Because the invasion of Greece began the Battle of Marathon which then led to Consequences. The defeat at Marathon was a decisive victory that marked the end of the first Persian invasion of Greece. The Persian force retreated to Asia. Darius then began raising a huge new army with which he meant to completely subjugate Greece.

Hope I helped!

Brainliest maybe?