Nationalism can be defined as positive sentiments of an individual towards the nation. Nationalism is individuals' belief and faith in national affairs, which are respected and followed by an individual. Perhaps, these beliefs make individuals' more attached towards the country and do things for the country as united citizens. Nationalism is a joining and mixing fueling among the peoples of a country. These people owe their first and last duties towards the development of the country. In past, empires that held many nations ultimately fell apart because they lacked national feeling, which keeps the nation together. The essence of nationalism is a unifying, integrating, all-pervasive fueling among the people or peoples of a country who owe their first and last duty to the nation. In the past, empires comprising many nations ultimately disintegrated because of the lack of national feeling that helps and hastens fusion of the component nations into a homogeneous unit.