The use of standard currency/coins help the economy of the Roman Empire because Roman coins were often used as tools by Europeans to circulate various forms of news and propaganda to the people and the world.
I think it is digital divide, Hope that was right
Pessimistic men were more than twice as likely as optimistic men to experience: depression
1) i know only one industrial revolution that started in England
2) railroad made trading and transportation easier
<span>-further away from nucleus means more energy
-no in-between energy
-must be a quantum leap in energy</span>What is a quanta-the amount of energy needed to move from one energy level to another
