Answer:
Imperialism
Explanation:
Colonialization focuses on economic control through settlers. The term "colony" comes from Colonialism.
Cultural diffusion is the concept of just spreading out and merging other cultures together. Think of it like a big melting pot of different beliefs, traditions, foods, languages, history, etc.
Imperialism is the more authoritative, military approach to spreading influence via conquest. Similar to colonization in the idea of spreading influence, but Imperialism uses fear tactics and complete control to organize nations,
Manifest Destiny is described as American citizens' "God-given right to expand toward the West", meaning that Americans has the idea that it was their mission to spread their ideas to the western portion of the United States during the early 19th century.
