Answer:
She was angry that Zeus trapped her children, Titans, and cast them to Tartarus
Explanation:
<u> Mother Earth, called Gaia in Greek mythology, was the mother of Titans, and later also created Typhon.</u>
After Zeus started the war with Titans, in his tenth year he got information from Gaia that he needs Hundred-Handers and the Cyclopes on his side. He released them and he and his brothers, Poseidon and Hades, good important resources – thunderbolt, trident, and helmet. With these gifts, they were able to conquer Titans and traped them to Tartarus.
<u>However, Gaia, Mother Earth, was very angry because her children were trapped.</u> Because of it, she created Typhon, the monster with the heads of a dragon, and sent him and Echidna to fight Zeus. <u>They have challenged Zeus but were defeated by his thunderbolt. Typhon was trapped as well and buried under Mount Etna.</u>
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