<span>Differences between the North and the South were readily apparent well before the American Revolution. Economic, social and political structures differed significantly between the two regions, and these disparities only widened in the 1800s. In 1861, the Civil War erupted between the two sides, and much of the conflict surrounded sectional differences. Once the war ended, Reconstruction lessened some sectional disparities but increased others.</span>
I think the answer is that Jonas remembers playing catch with Asher using an apple. Then for a split second sees a change in the apple.
Well one reason is that it was to divide Berlin from 1961 to 1989.
Hope I Helped!