What did the Crusaders do to many Jewish communities while traveling through Europe on their way to Jerusalem?

Pillage and burned them

Explanation:

The crusaders wanted to promote christianity so when Jews would not convert, they would be killed, their villages and synogogues would be destroyed and there would be nothing left.

Hope this helps:)

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.