Chapter 25 The Great Depression What did the Social Security Act do?
O create jobs for the needy
O establish highways
O hired people to build parks, schools and libraries
O provide pensions for the elderly and the disabled

i don't get what you mean

explanation:

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.