Both frontiers and cities are important in the American history. But they both have different contributions. The American frontier was established first. This was when Europeans first settled in America and tried to establish their ownership of lands and animals at the expense of the Native Indians under the guise of bringing civilization to them.
A city is defined as a large human settlement. Cities in American history were established when people moved from farms to cities in order to work in factories and fend for their families.
Answer: A
Explanation:
Two of the main rivers were the Hudson River and the Delaware River.
Hammurabi's code was a very strict code that influenced the code of law of later cultures.
