The bomb is made to represent the destruction of our life and our home Land earth. Land is the most important commodity of human civilization . Since the institution of private property emerged, land became an source of pride, honor, wealth and power. People of every land have their own way of living. In the modern world, man is stockpiling weapons. Weapons are a threat to the earth. We have examples of this from Hiroshima and Nagasaki. The two bombs dropped on Nagasaki and Hiroshima, Japan, during World War II killed well over between 90,000 and 146,000 people. 4.7 square miles (12 km2) of the city were destroyed. 69 percent of Hiroshima’s buildings were destroyed.