I would say A.) They were more interested in exploring the world around them.
Answer:
It is A. (Location along the Tigris and Euphrates rivers
)
1. many irish immigrants came to america to escape a famine - push factor
2. many chinese immigrants came to america to work on the transcontinental railroad - pull factor
3. many russian jewish immigrants came to america to escape harsh treatment - push factor
4. many scandinavian immigrants came to america for land that the us government made available to new settlers in the midwest - pull factor
