Answer:
1) large population centers; (2) monumental architecture and unique art styles; (3) shared communication strategies; (4) systems for administering territories; (5) a complex division of labor; and (6) the division of people into social and economic classes.
Source: Key Components of Civilization - National Geographic Society
Ruling the Byzantine Empire and providing the "bubonic plaque" or "Justinian's plaque".
Democracy and freedom from post World War II Communist Russia.
Since America use to be part of Mexico many Mexican Americans say it to prove that it was once there land and America crossed there border.
The Answer is C because
The agreement that divided Persia into three zones, a large Russian zone to the north, and two smaller zones, one which neither country dominated, and a British zone to the south. Afghanistan was less of a trade partner to Russia, but there were concerns about the border, in relation to crime, refugees and diseases.