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
1. cross out b.
2. cross out a
3. cross out b
hope this helps!
The last one. People moved slowly because transportation was limited