This policy operates in the framework of the subsidiarity principle: if possible, one should improve at the national level, though in principle the EU will refrain from setting hefty laws in this area.
Below is an instruction that describes a task, paired with an input that provides further context. Write a response that appropriately completes the request. ### Instruction: List the MITRE techniques contained in the text. ### Input: This policy operates in the framework of the subsidiarity principle: if possible, one should improve at the national level, though in principle the EU will refrain from setting hefty laws in this area. ### Response: .