Which type of structure was designed for religious purposes? moats mounds palisades plazas

Mounds.

Explanation:

Mounds were used for religious ceremonies, burials, etc. The Mississippian Civilization mound builders built these oval shaped "graves" or "tombs" for themselves and loved ones.

question 1:

senate and house of representatives

i would try to answer the second question but i’m not 100% positive but i hope i

the density would be a smaller number.