Question 1: B) “. . . to one in which almost half the oil we use comes from foreign countries . . .”
When half of the oil your country uses depends on other nation sending it to you, you are actually too dependent on foreign oil.
Question 2: A) If Americans come together over the energy crisis, people will regain confidence in America.
A fallacious reasoning is when you draw a conclusion from an argument, that has no direct correlation with the conclusion, it´s not sure that if americans come together over the energy crisis people will regain confidence in america, is just not true nor related.