Wars occur due to economic, social and political reasons. Wars will have expected and unexpected outcomes. The wars primarily start when the leaders begin to think that what they think or do is right.Some leaders will aspire for land or trade with other countries which are not ready to give.he leader can also think of conquering the power in the other country and do not want the other people to get the power. The man remaining at the end in the war will experience the joy of winning the war by defeating the other country which is losing everything in it to the winning country.