If i'm not mistaken, I believe the correct answer would be the CADDO. As the Caddo women actually did most of the planting and there were women chiefs.
The political system that has multiple political parties is most common in the parliamentary system. Some of the countries that use multiple political parties are Germany, Finland, Italy, South Africa, and Sweden.
Because the U.S wanted to support the side that benefited them and that also right to take over