The correct answers, respectively, are B) To measure longer periods of time, and B) The gods priests and attendants traveled about the empire conducting Sacret rites. Hope this helps.
Nationalism is to show extreme pride and loyalty to one's country
Back then government was possible when the people came and worked together. By having good leaders they could make stable groups called empires
Hope this helps might be a bit more then you wanted
Allied forces and the (UNRRA) United Nations Relief and Rehabilitation Administration. Its an organization created in anticipation of a great refugee crisis when WW2 ended, cared for them by improvising shelter throughout camps in central Europe known as Displaced Persons' (DP) camps.