At the time, the number of soldiers killed during the Civil War

Question

was less than the number killed in the Revolutionary War.
was the same as the number killed during the War of 1812.
was the same as the number killed in the Spanish-American War.
was more than the number killed in all previous US wars combined.

Answer 1

At the time, the number of soldiers killed during the Civil War was more than the number killed in all previous US wars combined.

The Civil War resulted in approximately 620,000 to 750,000 deaths, which exceeded the combined total of fatalities from earlier conflicts such as the Revolutionary War, the War of 1812, and the Spanish-American War.