Only word i can see is frontiers i could be wrong
The Thirteenth Amendment accomplished Lincoln's goal of preserving the Constitution's fundamental structure while bringing it closer to the ideals of the Declaration of Independence
The reason why the United States economy became more reliant on money in the late 1800's because of the Civil War. The U.S needed to pay for the expenses of transporting soldiers, feeding them, and etc. Going to war is not free, and it is a very hefty price when a country goes to war. Because of this, the United States started to compose what is now called "income tax." The income taxed made citizens pay to help fund the war. After the war, they also needed money to rebuild the South.
The gradual decline of the Roman Empire ushered in an era of European history called the Middle Ages, or the medieval period