Answer:
The Tuatha Dé Danann thought the attacks on Ireland were evil so-called upon four members to challenge Carman and her sons. The four members included the god of poetry (Ai Mac Ollamain), a white sorceress (Bé Chuille), a satirist (Cridhinbheal), and a magician (Lugh Laebach).
Using their magical powers they banished each of the evil sons from Ireland for as long as the land was surrounded by water. Carman proved to be more difficult to defeat. Finally after a magical spell cast by Bé Chuille her magic was subdued.
Explanation:
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