I would say it was the Colt revolver. This pistol was produced in various models, calibers and styles. The US Government placed orders for them and many more were bought by private money.
The two common model was the Colt Navy in .36 caliber and the Colt Army in .44 caliber.
The most common weapon for soldiers in the Union and the Confederacy was the musket (rifle of sorts ).
the musket
During the US Civil War one weapon was the most used one by the Union infantry. This was the 1861 Model of the Springfield rifle.
The Union held the advantage by a wide margin.
When the US Civil War began artillery had earned a stellar reputation in the Mexican-American War. This carried over to the Civil War and tactical theory regarded artillery to be equally effective as a defensive weapon as well as an offensive one. General in Chief Winfield Scott believed that artillery would prove to be the most important element of the Civil War.
The compound noun 'civil war' is a common noun as a word for any large scale military conflict within a single country. The proper noun for civil war is the name of a specific civil war, for example the American Civil War (1861-1865), the War of the Roses (1455-1485), the Greek Civil War (1946-1949), etc.
The most widiy used weapon in the Veitnam war was the American M-16 rifle.
During the US Civil War one weapon was the most used one by the Union infantry. This was the 1861 Model of the Springfield rifle.
The most common method was with artillery.It is NOT a biological weapon, it is a chemical weapon.
I dont know check a different web sight
musket
it was the mini ball IMPROVEMENT The repeating rifles and carbines.
The most common one that was used as a weapon in World War 1 is called the Artillery
morphine
Amputation
Most likely it was the M-1 Rifle.
547
BB guns like m16 m4A1 And pedro for a cannon
Well I don't know if this was THE most common but one was STD's because there were so many prostitutes following the camps.