"During the school year, Jim spent a lot of time learning new things, but during the summer, he had a monotonous job and didn't engage in any mentally stimulating activity. His sleeping habits were the same all year, but based on research done with rats, Jim is likely to spend time in REM sleep during the ."

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; one person; monarch;

answer; (trauma);