It's a one party system because they got rid of all the other parties and they get full rain of the country and get to do whatever they want. Also fascists believe that great nations show their greatness by conquering and ruling other weak nations. Fascists think the state can survive only if it successfully proves its military superiority in war.
Europeans changed the economy from a model of producing foods for need to mainly the production of cash crops. All crops produced by Africans were exported and prices were set by the colonies. Africans were not allowed to grow these cash crops to benefit themselves.