There were several factors that drove people from different parts of the world to the US:
Economic opportunity: The US was seen as a land of economic opportunity, with the promise of jobs, higher wages, and a better standard of living. This was especially attractive to those from countries with high unemployment and low wages.
Political freedom: The US has a long history of political freedom and democracy, which was a major attraction for those fleeing political oppression and persecution in their home countries.
Education: The US is known for its high-quality education system, which was a major draw for those seeking educational opportunities and career advancement.
Family reunification: Many people came to the US to join family members who had already immigrated.
Adventure and personal growth: For some, the opportunity to start a new life in a new country was a chance for personal growth and adventure.
These factors, along with others, have driven people from all over the world to the US for centuries and continue to do so today.