this is the title of the book i am trying to read these days.it is written by Jared Diamond. the book actually envisages to trace the human history and try to find out as to why some civilizations or races became conquerors and others became vanquished. it starts out looking into spanish invasions of great Inca and Aztec civilizations and tries to see what the deseases brought by europeans played a part in decimating the american indian empires. how they used guns , horses and their guile to defeat and decieve these mighty empires. behind all the great stories of victories there are sad stories of vanquished. there is a lesson for us rung mung also unless we want to be vanquished people to lose our land and culture some day.