I don't understand the question fully please explain?
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.
The Space Age is thought to have officially begun on October 4th, 1957, with the launch of Sputnik 1 by the Soviet Union – the first artificial satellite to be launched into orbit.
Answer:
The Silk Road derives its name from the lucrative silk, first developed in China and a major reason for the connection of trade routes into an extensive transcontinental network.
Explanation:
Trusts and monopolies were created by entrepreneurs to maintain control of the market.
