A penny saved is a penny earned.” What do you think that quote means?

Explanation:

You should not use all of your money at once and keep some in savings because savings have an interest so every penny that you save is a penny that you earned.

I think I'm not entirely sure.

I say that when you save a penny, you are kind off earning it because you are not spending it.

Explanation:

Best thing to do is not spend and save money.

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