Here is the full list of all 11 The Bluecoats: North & South achievements.
Win ten victories
Win three times in a row in hard mode
Complete a game in 1861, 1862, 1863 and 1864
Capture the five forts in a single game
Create a powerful army by merging three armies
Win in less than five months
Win your first victory
Take control of your first train
Take control of your first fort
Win ten battles
Play a local multiplayer game