Which three of these developments were major effects of European colonization in Africa? improvement in transportation and education systems disregard for existing political or ethnic boundaries promotion of free trade across countries civil conflicts within Africa establishment of Islam as a prominent religion in Africa NextReset

Three major effects of European colonization in Africa were:

- improvement in transportation and education systems

- disregard for existing political or ethnic boundaries

- promotion of free trade across countries

European nations that colonized Africa were Traditional Catholics, so they did not impose Islam as a prominent religion in Africa.