Before the civil war, growing populations were changing the balance of ??

In 1877, soon after retiring as president of the United States, Ulysses S. Grant, embarked with his wife on a two-year tour of the world. At almost every location, he was greeted as a hero. In England, the son of the Duke of Wellington, whose father had vanquished Napoleon, greeted Grant as a military genius, the primary architect of Union victory in the American Civil War.

Explanation:

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