The answer is B. conquering native tribes
During this era, human technology boomed. In this era, nomads have started farming. Nomads have stopped moving from one place to another. They have started forging metal tools. They also started pastoralism. They have communities and tribe. They were able to create a system on their own.
An example of an organization that sprung from the Second Great Awakening was the "American Bible Society" which promoted Christian education throughout the US.
the United States and the Soviet Union seen eye to eye but only temporarily to split N Korea at the 38th
