Read the excerpt. (2)... If the great American people only keep their temper on both sides of the line, the troubles will come to an end, and the question which now distracts the country will be settled, just as surely as all other difficulties of a like character which have originated in this government have been adjusted. Let the people on both sides keep their self-possession, and just as other clouds have cleared away in due time, so will this great nation continue to prosper as heretofore. What claim does Lincoln make in the excerpt?

A. The people should trust the government to solve the country's difficulties.
B. The country is confronting troubles unlike any it has encountered before.
C. The country will always encounter questions that will distract its people.
D. The country's troubles can be solved if everyone stays calm and respectful.