#1. The drive to expand westward.
#2. to rid the land of the 'savages'.
Answer:
The combination of two or more than two substance or elements without using chemical is called mixture
Both served immigrants of mostly European descent.
Both served immigrants of mostly Asian descent.
Both often detained immigrants for weeks or months.
Both required that immigrants pass health inspections.
Answer:
population density
Explanation:
Because many people travel from rural areas to urban areas in search of greener pastures therefore making the population rise
