This was the period of time before WW2 and the US was very isolationist and had minimal foreign affairs. World peace was also at hand with the formation of the League of Nations
To my own interpretation, it meant we must sacrifice some part of our life for the chance to live in freedom and liberty. it was the cost we had to pay to escape England's (Great Britain's) Tierney.
Answer:
Manhattan is where Edison constructed the first central power station
