What happens when a war ends and an army comes home?
It’s been a vexing problem for centuries.

After completing the long Reconquista of the Iberian Peninsula in the 15th Century, a newly-united Spain turned its attention and its Conquistadors toward the New World.

At the end of the Civil War, the Re-United States shifted its victorious army westward, quickly making the American Indian the Civil War’s biggest loser.

Now the United States faces the problem once again.