What is the most main law of pakistan

Pakistani law is based upon the legal system of British India; thus ultimately on the common law of England and Wales . Upon the list of the Dominion of Pakistan in 1947 the laws of the erstwhile British Raj remained in force. At no point in Pakistan's legal history was there an intention to begin the statute book afresh.

My answer is as same as the answer given up

counter-terrorism incorporates the practice, military tactics, techniques, and strategy that government, military, law enforcement, business, and intelligence agencies use to combat or prevent terrorism.

basically prevent, pursue, protect, and prepare, google it if you need more info