Great Depression is the answer
<span>The Successes of Reconstruction. President Lincoln's original goal in the Civil War was to hold the nation together. And in this, the war and Reconstruction were a success. The Confederacy was destroyed for good, and every state that had seceded was readmitted to the Union.</span>
C. The people rebelled against high taxes
the ten northern tribes split away from King David's line because of a prophecy that said that Jeroboam would get the ten Northern tribes (because GOD promised David he would always have a descendant on the throne)
So Rehoboam got Judah and Benjamin as his kingdom.
The people split away because they asked Rehoboam to lower the taxes that were imposed on them my Solomon his father. His reply was "my little finger was thicker than my fathers waist. My father whipped you with whips, i will scourge you with brambles."
hope this helps