Are you looking for the best word to call it? It would be colonialism, but it is not necessarily be a bigger country to a smaller country: When then UK dominated India, it was smaller than India (geographically, but bigger militarily).
Evocative words affect the reader/listener on an emotional level
What are Evocative words?
Evocative words are words that are likely to stir up a feeling or bring about a response or action from the listener. These words paint a picture in the mind of the listener and therefore cause reaction.
Evocative words could also be seen as emotive words since they evoke or cause action from the audience. They include words such as:
Satisfying
Acrid smell
Thunderous
Adroit
Dillydally
Thump
Scream
Evocative words may also be more or less effective depending on how they are used in a sentence(evocative sentences)