expansionism

/ɪkˈspænʃəˌnɪzəm/
noun
  1. A policy or practice of expanding a country's territory, influence, or power, often by taking over other areas.
    • Many historians study the expansionism of ancient empires like Rome.
    • Economic expansionism can sometimes harm local cultures in new territories.
    • The country's expansionism led to conflicts with its neighbors.
Antonyms
What does "expansionism" mean? | whatsthatwordmean | whatsthatwordmean