What factor triggered the largest wave of migration to the west?

b toward the volcano.landward. the landward side of something is the side nearest to the land or facing the land, rather than the sea.

lancelot said to the beautiful ellen i c u r a b u t l n (i see you are a beauty lancelot was the greatest and worst of the knights who became the king's champion and undertook quests in the king's name. he became the adulterous lover of queen guinevere, and they had a son named galahad.