Answer:
What was the question? Lol!
Answer: Many weapons were made with bronze, including swords, daggers and axes. More advanced weaponry enabled the Sumerians to become a powerful, warring force
An economic downturn.
http://factsanddetails.com/russia/History/sub9_1f/entry-4990.html
The Soviet Union turned a rural, agrarian society into one of the largest economic powerhouses in the world. The breakup greatly effected it.