Much bigger population from which to recruit armies.
Traditional advantage in artillery, including new rifled cannon
Industrial capability - access to all kinds of war-supplies
More railroad mileage - whole armies could move by train
Big enough navy to blockade Southern coast
Most talented President the Americans ever had
The Union had nearly all industry and therefore in a far superior position to produce heavy munitions such as cannons etc. She also had the majority of railways.
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They had economic advantages
In the first year of the U.S. Civil War, which began in April 1861, the Confederacy initially saw several military successes, including victories at battles such as the First Battle of Bull Run. However, the Union had significant advantages in terms of resources, manpower, and industrial capacity. Overall, while the Confederacy had early victories, the Union's strategic advantages would eventually shift the momentum in their favor.
Just after the election of Lincoln the southern states began to talk about leaving the Union. In April of 1861 South Carolina left the Union and Confederate forces attacked Ft. Sumter in Charleston's harbor. This began the civil war.
The Union had nearly all industry and therefore in a far superior position to produce heavy munitions such as cannons etc. She also had the majority of railways.
They had slaves.
The Civil War between the Confederates and the Union.
They had economic advantages
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The Kaizer.
There were 34 States in the Union when the Civil War began.
The Soviet Union was established long before World War 2 began.
The Union.
The British had an advantage as the American Revolution began because they had trained and experienced troops.
Ulysses S. Grant
The Union held the advantage by a wide margin.