South Carolina wanted to secede from the Union and the last straw for the south was the election of Abraham Lincoln. South Carolina was the first to secede. They set a date of December 1860 and voted in Charleston to leave the Union.
Newpaper article: Woman Who Fought in Civil War Beside Hubby Dies: Aged Ninety two. Much of the information available on female Civil War soldiers is found in their obituaries. (NARA, Records of the Adjutant General's Office, - RG
The code talkers were elite Native American military units that used their own tribal languages to create and transmit fast, unbreakable coded messages, serving in both World Wars I and II. They’re credited with saving countless lives around the world.