Archaeologist found at the anasazi cliff dwellings.

a- pottery, oyster shells and longhouses

b- gold, totem poles and scrimshaw

c- potter, food and clothing

d- is just a silly answer so its not needed it talks about pizza and video games

use this site

first, the romans stayed isolated because they had to defend their own territories from neighboring cities that were harassing them, like the etruscans. second, once the romans managed to defeat their neighbors, and started to expand their territory, they started to build roads and bridges. finally, now that the romans have covered their territory with roads functioning as highways, they could mobilize their legions faster to assemble larger military units in a specific place