Yes, for the most part, it was active.
Yes it was!
There have been many Civil Wars in countries all around the world.
During the Civil War the South's formal army was called the Confederate States Army. It was active from 1861 until 1865.
Which English Civil war? There have been hundreds. The main Civil War (Roundheads v Cavaliers) was a revolution, as was the civil war between the American colonists and the king in 1775. Like all revolutions the revolutionaries were only a small but active part of the population.
Two USMA graduates and active generals in the US Civil War had published their views on warfare in the 19th century. Confederate General Pierre Beauregard and Union General Henry Halleck each published their ideas on 19th century warfare prior to the outbreak of the US Civil War.
The nation of Ireland took no active part in the war, but thousands of Irish fought in the Civil War either on the Union or Confederate side. They were known for fighting fiercely. It was joked that the Union won the war because they had more Irish than the Confederacy did.
Russia was expanding to the Pacific and North America at that time and sided more or less with the Union but took no active role in the war.
During the US Civil War era, it normally took three years to fully train a seaman for active duty.
Lincoln was very active in leading the war effort during the Civil War. He made key decisions, such as appointing generals and issuing the Emancipation Proclamation, that shaped the course of the conflict. His leadership was crucial in guiding the Union to victory.
George Orwell was seriously wounded in the Spanish Civil War and this and other illnesses caused him to be classified "unfit for any kind of military service" in WW2. He spent the war writing and being as active as he could in the Home Guard in the London area.
It would depend on which civil war you are referring to.
American Civil War: 1861-1865Mexican Civil War: 1858-1861Irish Civil War: 1922-1923Russian Civil War: 1917-1921Chinese Civil War: 1928-1937, 1945-1949Austrian Civil War: February 12 - February 16, 1934Spanish Civil War: 1936-1939