The U.S. actions of sending troops to both Korea and Vietnam is known as the foreign policy approach called Intervention.
There are several ways to approach foreign policy such as:
- Diplomacy
- Isolation, and
- Intervention.
Intervention works by a country getting directly involved in the affairs of another in order to influence a certain outcome. This usually happens militarily.
The U.S. used intervention in Korea and Vietnam to try to prevent Communism from taking over.
In conclusion, option A is correct.
Find out more about the U.S. intervention in Korea at https://brainly.com/question/1411002.
