Islamabad (Saleh Zafar) Pakistan has said that 9/11 changed the entire system of cooperation and counter-terrorism in the world, the world learned from this tragedy, but India is taking the opposite approach, Pakistan sacrificed more than 80 thousand lives in the war against terrorism and suffered an economic loss of about 150 billion dollars. Spokesman Sajjad Haider Khan said on Thursday that 9/11 changed the entire landscape of cooperation, the way the world was before and the way it changed afterwards, drawing a clear line between the two eras.