How did communication cause the roman empire to fall

Draw conclusions  why might a cause like italian unification successfully draw people of very different backgrounds together?  

How was the cottage industry different from the factory system? products were made quickly and cheaply. products were made by machines. products were crafted by people with years of training. o products were made on a large scale.

Characteristics of what type of economic system are being described below? 1.economy in which some/all of the basic economic questions answered by central authority 2.trade generally limited to what is produced through the influence of the government a.command economies. b.market economies. c.traditional economies.