One such person was John Lawrence Burns a 70 year old veteran of the War of 1812 who joined the Union forces on the first day of battle at Gettysburgh with his flintlock rifle and powder horn. When he gave the Gettysburg Address President Lincoln met with him and thanked him for his service.
His troops out of ammunition, Joshua Lawrence Chamberlain led his Maine regiment in a bayonet charge into the advancing Alabama militia, and broke their charge, possibly saving the entire Union line on the second day of the battle.
If Lee had managed to destroy the Army of the Potomac outright, it would have shifted the entire balance of the war. Grant and Rosecrans would probably have had to abandon their attempts to save Chattanooga, and hurried East to provide a Union presence in Virginia in the defence of Washington.
To save the army
He abolished slavery and he helped save the Union from dividing.
he had many children by 4 women helped free slaves helped save the union
He was a young man in the army and had a donkey that helped him save lives and pull people to safty and help them
To save the Union. To save the cotton revenues.
The biggest reason was the Russian winter, which crippled the German advance near Moscow in November and early December. Also, the Red Army formed reserves at Moscow which launched a major counteroffensive, thus leading to the failure of Operation Barbarossa.
Lincoln went in it only to save the union
The capture of Harper's Ferry was to save almost 13,000 Union troops from being captured and giving Union General George B. McClellan the chance for a substantial, even a decisive victory over Lee's separate components of his army.
The fact that the Union won the Civil War saved the Union.
U.S. Grant managed to save the besieged Army of the Cumberland from starvation, by forcing a supply-route across the Tennessee River, with the help of William "Baldy" Smith. The grateful troops called it the Cracker Line.
Abraham Lincoln said this quoteMy paramount object in this struggle is to save the Union, and is not either to save or to destroy slavery. If I could save the Union without freeing any slave I would do it, and if I could save it by freeing all the slaves I would do it; and if I could save it by freeing some and leaving others alone I would also do that......