Duba wurin da ke ƙasa sannan ka amsa tambayar daga baya a cikin harshe ɗaya kamar yadda wurin yake:  Passage: Daular Rome tana da cibiyarta a Bahar Rum, tana sarrafa dukkan ƙasashen da ke gabar tekun; Kogin Rhine da Danube ne ke nuna iyakar arewa. A karkashin sarki Trajan (karni na 2 AD) daular ta kai ga fadadawa, ta mallaki kusan 5,900,000 km2 (2,300,000 sq mi) na yankin ƙasa, gami da Italiya, Gallia, Dalmatia, Aquitania, Britannia, Baetica, Hispania, Thrace, Macedonia, Girka, Moesia, Dacia, Pannonia, Misira, Asia Ƙananan, Cappadocia, Armenia, Caucasus, Arewacin Afirka, Levant da sassan Mesopotamiya. Pax Romana, lokacin zaman lafiya, wayewa da ingantacciyar gwamnati a cikin yankunan da ke ƙarƙashin ya ƙare a ƙarni na 3, lokacin da jerin yaƙe-yaƙe na cikin gida suka lalata ƙarfin tattalin arziƙin Rome da zamantakewar ta.  Tambaya: Menene iyakar arewa?
Kogin Rhine da Danube