How did inventions change people’s lives?

hey there

it changed the economy by expanding it, and providing more chances and opportunities, opening more and new jobs almost every day. It allowed people to live a more civilized lie style, no longer did people spend their entire lives working on farms for a living.

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

d.) continue to rise rapidly