Which statements accurately define history? choose all answers that are correct. a. it is the study of where people, places, and things are located. b. it is the documented story of change over time. c. it is the study of human behavior before records were kept. d. it is the study of the human past.

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

can you explain it better