Contrary to the common belief that war has only negative effects , it also has some positive impacts. however, whereas the negative effects of war are the same regardless of the place of war , the positive effects may vary depending on where the war occurred . The most common negative impacts of war include loss of human lives , economic losses due to destruction of capital as well as disruption of trade , human suffering , the spread of diseases , displacement of people and destruction of the environment , among others. Negative effects on the United state cannot be ignored .The U.S. is trying to rid the world of terrorists. While this is a noble case, it has a negative impact on the united state cannot be outweighed . The negative impact on terror is simply too much.