Sioux/Strategy

Sioux is a cavalry based civilization with very powerful and balanced cavalry but mediocre infantry.

Economy
Sioux's economy is very good as they don't houses for population, so you can focus on gathering food to make more villager in the early game, without the tension of the population. In the late games this extra resources can be used to build more buildings or unit.

Military
Sioux troops are weak against enemy Pikeman and Musketeers, so to counter these units the Sioux can train some Wakina Riflemen or some Cetan Bowmen, Rifle Riders are also useful against them. To be successful in attacks the Sioux should make their attacks short and quick. A good way the Sioux could attack is to use a large group of cavalry led by a War Chief, the Sioux should also spot weak spots in the enemy civilization's economy and attack and harass the enemy there constantly. Later in the game when the Sioux gets a substantial army of cavalry units they could use the Fire Dance and raid enemy villagers and destroy their buildings. Defensive capabilities of the Sioux are limited as they cannot build walls but they do have unique Teepees, which, can only build up to 10 (exception when card sent) to provide a little health bonus to nearby, friendly units.

The Sioux have a large selection of Cavalry Units to use, some only costing one population. It is best to use the diverse Cavalry when playing as the Sioux. Although it is not heavily advised, a Sioux player can train an all cavalry army and it would still be quite balanced. Ranged infantry can be countered by Axe Riders, Dog Soldiers, and Tashunke Prowlers. Heavy infantry can be beaten with Dog Soldiers and Rifle Riders. Cavalry can be destroyed with Bow Riders and Rifle Riders and artillery can be countered with any unit.Since they don't need to build houses they are great at rushing since the resources and time spent on houses can be diverted to building an army.