Which of the following factors would fuel the creation of more nation-states?
1. ethnic violence
ii. increasing federalism
iii. empire building
iv. the collapse of a multination state

i think it is a system for harvesting crops more easily

gaius cassius longinus and marcus junius brutus, former enemies of julius caesar who'd joined the roman senate, led caesar's assassination, dubbing themselves "the liberators." and the second one is   the assassination of julius caesar was the result of a conspiracy by many roman senators led by gaius cassius longinus, decimus junius brutus albinus, and marcus junius brutus. they stabbed caesar (23 times) to death in a location adjacent to the theatre of pompey on the ides of march 15 march 44 bc.

cultural/diplomatic relations. most medieval japanese   culture has chinese origins. writing, architecture etc.