In the 1800s , both old and new immigrants to the untied states faced hostility because of : Differences of culture and language
Back then , the immigrants somehow seen as a threat and they basically couldn't explain/defend themselves because of the cultural barrier
hope this helps
Answer:
The Iron Curtain specifically refers to the imaginary line dividing Europe between Soviet influence and Western influence, and symbolizes efforts by the Soviet Union to block itself and its satellite states from open contact with the West and non-Soviet-controlled areas.
I believe it would be D)All The Above