In the 1800s, both “old” and “new” immigrants to the united states faced hostility because of?
a. prejudice against other races.
b. worries about overpopulation.
c. high us unemployment levels.
d. differences in culture and language.

differences in culture and language.

not to sure sdi, strategic defense initiative

- "made the south's economy grow rapidly and a small effect that a lot of people don't know is that it made the more demand of slaves and cotton products. and also new states formed due to plantations growing in size."

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