The individuals of Sparta fought for to the state and did military service all their life.
There were several different factors that caused the US to become a part of the imperialist movement, including:
1) Industrialization- The invention of technologies that allowed for the mass production of goods allowed businesses to make more of their products than ever before. Due to their increased ability to make large sums of goods, these individuals wanted the US to expand their global influence so that they may have new consumers to sell their products too.
2) Social Darwinism- This idea revolves around the concept of the "survival of the fittest." Many Americans felt that the US was a superior society that should spread its ideas and influence in order to help less civilized countries/territories.
A) David
Jerusalem has stood at the center of the Jewish people's national and spiritual life since King David made it the capital of his kingdom in 1003 BCE. The city remained the capital of the Davidic dynasty for 400 years until the kingdom was conquered by the Babylonians.