The Act revoked a large number of pieces of secondary legislation of Ireland, England, Great Britain and the United Kingdom while preserving a shorter list of instruments that were deemed suitable for retention.
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: The Act revoked a large number of pieces of secondary legislation of Ireland, England, Great Britain and the United Kingdom while preserving a shorter list of instruments that were deemed suitable for retention. ### Response: .