B. Industrial Revolution
Is the era where people moved to cities and created instrumental pieces of technology.
Huang He is the second longest river in China, after the Yangtze River, and the sixth longest river system in the world at the estimated length of 5,464 km
I believe it is B because for a monopoly it has no close substitute and is protected by a barrier that prevents other firms from selling that good or service
Answer:
On the verge of the American Revolution, Committees of Correspondence were formed in cities and regions throughout the American colonies. ... The Committees of Correspondence rallied colonial opposition against British policy and established a political union among the Thirteen Colonies.
<u><em>There are 2 types of economies,</em></u>
<u><em>---> Formal economies ( Eg: Capitalism, Socialism etc)</em></u>
<u><em>----> Informal economies ( Eg : Underground Economy)</em></u>