01:29:26 What was one reason why Russians were uncomfortable with the rapid changes occurring in their country in the 1980s?

i think its provide for the common defense

in 550 b.c.e. cyrus the great, the leader of the persians, conquered the medes and united the iranian people under one ruler for the first time. cyrus became the first king of the persian empire and went on to establish one of the largest empires in world.