Although drug abuse tends to decrease by age 25 and almost always by age 40, one type of substance use problem continues to be a significant issue as adults age. what is it?

One type of substance use problem that continues to be an issue is the misuse of prescription medications. There has been a drastic increase in the misuse of prescription drugs or medications. Roughly 48 millions of people have used prescription medications for non-medical related issues over their lifetime.  

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.

answer; ///approx///5,000 miles;