The 10 tribes that agreed to become one nation were the Sioux, Mississippian, Apache, Navajo, Creek, Choctaw, Seminole, Chickasaw, Cherokee and the Iroquois. The Shoshone and Anishinaabe joined the federation two years later.
"c. being your own boss" would be a non-monetary positive incentive for becoming an entrepreneur, since this means that you don't have to answer to anyone except yourself.
