The three stages of memory are . A. Encoding, processing, and storage B. Encoding, storage, and retrieval C. Automatic processing, effortful processing, and storage D. Automatic processing, effortful processing, and retrieval

the answer might be either a or c. can't be too sure , because i searched the web, but no valid answers came through.

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

answer; provide for the common defense: