Answer:
a. countless ills
Step-by-step explanation:
It is possible to visualize what Achilles' anger did to the Achaeans right at the beginning of the text. This can be seen in the line "Sing, The goddess, the anger of Achilles, son of Peleus, that brought countless ills upon toe Achaeans," where it shows a cry, a prayer from the text speaker to a goddess, for her to help Achaeans of the evils caused by Achilles' wrath.