It would be the "the preamble" that implies a plan of action and lists certain things to be changed, since the introduction is far more general in exclaiming why in fact they are claiming independence.
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.
March, 29 1973. If it asks you a reason why the US left Vietnam, it's because the US signed a peace treaty in Paris.
Answer:
On July 27, 1793, Robespierre was elected to the Committee of Public Safety, which was formed in April to protect France against its enemies, foreign and domestic, and to oversee the government. Under his leadership, the committee came to exercise virtual dictatorial control over the French government.