For the most part, they wanted an opportunity to own their own land. European land was largely owned by rich Lords and Monarchs. The US was largely open for the taking, and the poor would agree to be an indentured servant for many years in exchange for a chance to make it to the US, and hopefully one day own their own land.
New technology played a huge role in shaping the economy of the 1920s. Technology, such as the radio, were common because of mass culture, so people bought radios. Also, the car completely changed the way americans went about their daily lives. Cars created the largest industry in the US - $800 million. Cars helped create the self-perpetuating cycle of money/jobs (Standardized mass productions led to: Better machinery in factories led to: Higher production and higher wages led to: More demand for consumer goods led to: More standardized mass production). Cars also created a new market for credit. New technology helped the economy boom, and created the "golden age".
Nomination" is part of the process of selecting a candidate for either election to an office by a political party, or the bestowing of an honor or award. This person is called a "nominee", though nominee often is used interchangeably with "candidate".
It was primarily "A. Socrates" who was the first philosopher to focus on morality and the soul rather than on nature and the universe, since his work was most centered around these "unsolvable" mysteries.