What is emphasized in a confederate system of government

Regional or state authority.

Explanation:

Confederate systems assign significant powers to regional governments as opposed to the central government or an individual leader.

ok so u have2 basically

both believe in many god or polytheism

both built temples that they worshiped in both civilization's god were humanoid

both groups made religion a large portion of their lives

both believe in one religion throughout

the dead were buried with items for the afterlife