National Origins Act of 1924. A law that severely restricted immigration by establishing a system of national quotas that blatantly discriminated against immigrants from southern and eastern Europe and virtually excluded Asians. The policy stayed in effect until the 1960s.
Answer:
C slaves were considered personal property
Immigrants desired to come to the United States in order to obtain better job opportunities, and escape ongoing wars in their homeland. (Might not be the best, just kinda thought of it on the spot)
Whenever a river recovers after a flood, the soil that isn't covered is called silt.