Duba wurin da ke ƙasa sannan ka amsa tambayar daga baya a cikin harshe ɗaya kamar yadda wurin yake:  Passage: Daular Roman ta kai ga mafi girman yanki a cikin ƙarni na 2 AD; ƙarni biyu masu zuwa sun ga raguwar sarrafawar Roman a kan yankunan da ke kewaye da ita. Batutuwan tattalin arziki, gami da hauhawar farashi, da matsin lamba na waje a kan iyakoki sun haɗu don ƙirƙirar Rikicin Karni na Uku, tare da sarakuna suna zuwa kursiyin kawai don maye gurbin su da sauri ta hanyar sabbin masu cin zarafi. Kudin soja ya karu a hankali a cikin karni na 3, galibi saboda yaki da Daular Sasanian, wanda ya farfado a tsakiyar karni na 3. Sojojin sun ninka na dā sau biyu, kuma mahayan dawakai da ƙananan runduna sun sauya rundunar Roma a matsayin rukuni na musamman na yaƙi. Bukatar samun kuɗin shiga ta kai ga ƙara haraji da kuma raguwar adadin ma'aikata, ko masu mallakar ƙasa, da kuma raguwar adadin waɗanda suke son ɗaukar nauyin riƙe ofishin a garuruwansu. An buƙaci ƙarin jami'ai a cikin gwamnatin tsakiya don magance bukatun sojojin, wanda ya haifar da gunaguni daga fararen hula cewa akwai masu karɓar haraji a cikin daular fiye da masu biyan haraji. 284<unk>305) ya raba daular zuwa kashi biyu na gabashin da yamma a cikin 286; ba a yi la'akari da daular da mazaunanta ko masu mulki suka raba ba, kamar yadda aka yi la'akari da doka da kuma gudanarwa a cikin wani bangare. A cikin 330, bayan lokacin yaƙin basasa, Constantine Mai Girma (r. 306<unk>337) ya sake kafa garin Byzantium a matsayin sabon babban birnin gabashin, Constantinople. Gyaran Diocletian ya karfafa tsarin gwamnati, ya gyara haraji, kuma ya karfafa sojojin, wanda ya sayi lokacin daular amma bai warware matsalolin da yake fuskanta ba: yawan haraji, raguwar haihuwa, da matsin lamba a kan iyakokinta, da sauransu. Yaƙin basasa tsakanin sarakuna masu hamayya ya zama ruwan dare a tsakiyar karni na 4, ya karkatar da sojoji daga sojojin iyakar daular kuma ya ba da damar mamayewa. Ga mafi yawan karni na 4, al'ummar Roma ta daidaita a cikin sabon nau'i wanda ya bambanta...  Tambaya: a wane lokaci ne yakin basasa tsakanin masu cin kasuwa ya zama na kowa?
tsakiyar karni na 4,