I do not know the answer but I think it might be D. or A.
I think that your answer choice is correct because Ford did not want his cars to be expensive. He wanted them to be affordable for all people. Also, he did not invent the assembly line.
I believe the answer you chose is the correct one.
The iron curtain separates communist and democratic Europe. It is located in Berlin, where is separates East and West Germany.
APUSH
The most important immigrant processing center which was found in New York City after the 1890's was Ellis Island.