Justus Scheibert studied 
Justus Scheibert studied the military tactics of this war, while Arthur Fremantle took a three-month tour of the countries involved. Jennie Hodgers fought in this conflict while disguised as Albert Cashier. Technological advancements made during this war included the development of Springfield rifles that loaded Minie balls and the invention of the (*) Gatling gun. The American Red Cross was founded after this war by Clara Barton, who worked as a nurse during it. Most of the fighting in this war ended after one commander surrendered at Appomattox Courthouse. For 10 points, name this war that pitted the United States against the Confederate States of America.
Justus Scheibert studied the military tactics of this war, while Arthur Fremantle took a three-month tour of the countries involved.
American Civil War [accept War between the States or War for Southern Independence or War of Secession]