Answer:
Battle of Marathon, (September 490 bce), in the Greco-Persian Wars, decisive battle fought on the Marathon plain of northeastern Attica in which the Athenians, in a single afternoon, repulsed the first Persian invasion of Greece.
Explanation:
D. permeable stone because the rock is covered in water
Answer: They were hoping to find a waterway connecting the Atlantic and Pacific Oceans to make it easier for trading ships to sail from Europe to Asia.
In this passage, the type of warfare being described by the author is "chemical warfare".