B. The Roman Empire traded with Han China because Chinese silk had been found in early Roman cities.
Answer:
The committees of correspondence were shadow governments organized by the Patriot leaders of the Thirteen Colonies on the eve of the American Revolution. They coordinated responses to England and shared their plans; by 1773 they had emerged as shadow governments, superseding the colonial legislature and royal officials. The Maryland Committee of Correspondence was instrumental in setting up the First Continental Congress, which met in Philadelphia. These served an important role in the Revolution, by disseminating the colonial interpretation of British actions between the colonies and to foreign governments. The committees of correspondence rallied opposition on common causes and established plans for collective action, and so the group of committees was the beginning of what later became a formal political union among the colonies.
It could keep people from living there lives
The Inca people played very well tactically and through peaceful manner little by little were managing to unify the different people they have conquered and ruled over them. The Inca rulers were unifying the diverse people by making one language as official language of the Empire, making good infrastructure that was connecting all parts of the empire and thus allowed the people to integrate, they encouraged people to believe in their sun god Inti which made the empire religiously monogamous, and also the four regions of the empire had their own regional rulers, but all of them were under the command of one unifying Emperor which was also considered as deity.
