Question

Which event caused the total number of immigrants in united states to decrease to below 700,000 Vietnam War 1954-75 Cold war 1945-91 World War II 1939-45 Korean war 1951-53

Answer 1

d. ww11

Step-by-step explanation:

Answer 2

Answer:WWII

Explanation: Mainly because it was dangerious due to be close to the battlefield.