Which of the following best summarizes the historical period known as the reconstruction era? a. the period between the presidency of andrew jackson and the beginning of the civil war which included several disputes over the issue of slavery b. the period following the industrial revolution which included heightened reform movements c. the period following the end of the civil war and leading into the wave of industrialization for the united states d. the period between the presidencies of the 'founding fathers' and the presidency of abraham lincoln