Kaltura Share to Google Classroom In this segment, Dr. Waugh tackles the 1864 Republican Convention. Grades: 6 7 8 9 10 11 12 Subject: Social Studies Collection: Wars & ConflictsE. American Civil War (1861-1865) Series: South Carolina Public RadioWalter Edgar's JournalConversations on the Civil War - 1864: Lincoln’s Re-election