im·pe·ri·al·ism 
/ɪmˈpirijəˌlɪzəm/ noun
/ɪmˈpirijəˌlɪzəm/ noun [noncount] 1 : a policy or practice by which a country increases its power by gaining control over other areas of the world
▪ British imperialism created the enormous British Empire. 2 : the effect that a powerful country or group of countries has in changing or influencing the way people live in other, poorer countries
▪ Western imperialism ▪ economic/cultural imperialism
▪ British imperialism created the enormous British Empire.
▪ Western imperialism ▪ economic/cultural imperialism
