Colony: This type of imperialism is when a greater power takes over a weaker power by completely taking over their society and government.
Protectorate: Protectorate imperialism is when a stronger country takes over a weaker country but still lets them have their own government. In the end though, the stronger country does have most control.
Sphere of Influence: The Sphere of Influence is when a stronger country takes over another country's trading rights. This means that they control what they trade, how they trade, and what percentage of the goods go to that country.
Economic Imperialism: Economic Imperialism is when a business controls an aspect of an entire country. If a country supplies goods that the business wants, that business could use their power to take control of the goods and the power.