The US took action against Cuba because Castro supported actions endangering the Western world.
The US government took action against Cuba primarily because Castro supported actions that put the Western world in danger. Castro's alignment with the Soviet Union and his aid in an invasion of the hemisphere were significant concerns for the US, especially during the Cold War era. His revolutionary and socialistic ideas, along with the threat to economic progress and social reform in the Western hemisphere, were key reasons for the US government's actions against Cuba.
https://brainly.com/question/9668317