A student can find out more about core skills by pacing him/herself through the course syllabus and searching online. To improve in the analysis of cause and effect, a student can read texts and interpret what is the purpose and the conclusion, or the cause and then the effect. Like this, one can easily strengthen this ability.
"<span>C. The South had more miles of railroad track" is not accurate. Railroads were largely situation going from East to West. It is true that the North had a broader industrial base. </span>
