Answer:
Correct answer is Diet of Worms
Explanation:
This is the correct answer because Luther was summoned by the Emperor Charles V to renounce his ideas. Still, Luther refused to do so, and that is why his teachings were condemned by the Edict of Worms.
All other places mentioned in here are not connected with this meeting.
Of course, Wittenberg Castle is famous because in that city started the reformation.
I'm not really sure if you need a broad or detailed definition of the policy, but I'm assuming you want a broad explanation.
The US Policy of Containment was a policy put forth during the Cold War to limit the influence of communism around the globe by attempting to prevent the spread of communism from Russia to other countries around the world. Hope that helps :)