Astudy is conducted to confirm the statement "punishment will be harsher for drunk drivers who cause serious injuries than for drivers who cause mild injuries." this statement, which is a guess at the outcome of a hypothesis, is an example of a

- world peace, cause that's important

- iron man to still be alive, cause i cried my eyes out

- for those in starving places like africa to get the support that they need for food and water, cause they r humans and need those basic things go be alive.

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

quote is the answer your looking for.