Which of the following could you have seen if you had lived in the united states in the 1920s? a. people standing in long lines at telegraph offices b. soldiers marching off to the trenches in the great war c. flappers listening to jazz and doing the charleston d. engineers boarding ships to go build the panama canal

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

is there answer choices?