text: The Polish officer Jozef Kosacki invented a portable counter to these weapons that was first used at theBattle of El Alamein.
full_question: The Polish officer Jozef Kosacki invented a portable counter to these weapons that was first used at theBattle of El Alamein. In 1976 Christopher Ewart-Biggs, the British Ambassador to Ireland, was killed byone of these weapons. The United States, Russia and China are non-signatories to the 1997 Ottawa Treatyaiming to eliminate some of these weapons. The Belgian-based APOPO uses (*) rats to counter theseweapons in Africa. The Buffalo and the Casspir MRAPs employ a V-Hull to protect against these weapons. Thespecial-edition comic book Superman: Deadly Legacy warns about their dangers in Bosnia. Naval warships called"sweepers" protect against these weapons. For 10 points, name these weapons that trigger an explosion whenstepped on.
first_sentence: The Polish officer Jozef Kosacki invented a portable counter to these weapons that was first used at theBattle of El Alamein.
raw_answer: anti-personnel land mines [or blast mines; or fragmentation mines; or naval mines; or IED; or culvert bomb; or roadside bomb; or improvised explosive device; or unexploded ordnance; or UXO; or UXB; or UO; prompt on bomb] 