Nationalism unites people from different classes but can also pulls them apart. One example is the force that caused conflict in the paths of Italy, Germany and France, among the other great European powers of the time that is nationalism fighting for who is the best. It can be defined as the love for one’s country and do anything you can for that country even to sacrifice. It can also be defined as the concept of a nation of people that share common bons. As you can see nationalism is every powerful element. Dictators and other politicians can use nationalism as an exaggery. Beginning with the French Revolution of 1789, nationalism was the most powerful force in the 1800s.