They modified their environment by digging irrigation canals.
Answer:After the fall of the Western Roman Empire in 476, the Catholic Church became a powerful social and political institution and its influence spread throughout Europe.
Explanation:
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"They resulted in military victory over Islamic society" was technically not one of the ways in which the Crusades benefited European society, since this conquest had no major positive repercussions. <span />
Building things out of stone takes a lot of effort. Large structures show that Mayans were devoted to their government enough to help build. It also shows that they were organized enough to gather people for the project.