to push them out
Better tactics, better leadership.
The wspu supported violent tactics ......
Staying put.
Scorch earth policy.
The Union tactics consisted of securing and controlling the high ground. Confederate tactics consisted of advancing across open ground in full view of a well-armed enemy, and assaulting uphill against a numerically superior force.
It was the first battle in which Lincoln exclusively planned the Union's tactics.
The union with allied countries.
Fear, and appealling to large quantities of people at the loss of the minority.
For the US look up the Pentomic Army.
"yellow" dog contracts scabs federal and state troops
Union General William S. Rosencrans was aware of the Burnside defeat in Virginia. Yet, like Burnside, Rosencrans adhere to the belief that a decisive victory in a battle meant an effective offensive. This would result in more errors in tactics as the war continued.