The European imperialism in Africa and Asia brought i a lot of changes in these continents.
Geographically speaking, it had mostly negative environment impact because of the extraction of the resources, clearing of the forests for creating plantations, building infrastructure.
Socially speaking, it had a positive effect because it modernized the regions, introduced them to the new technologies, how the politics work in the more developed countries, how should the economies be set, as well as bringing the education as a very important social measure for development.