The main factors that led to WW1 were Global Imperialism, Nationalism, Militarism, and Entangling Alliances according to CCN, 2016.
After the Spanish war the U.S. imperial power created the colonial empire in both the Caribbean and the Pacific Ocean. During the 19th century also the European countries defined their own wealth and power by imperialism, so by the colonial possessions and the ability to maintain or increase the empire. The Europeans owned most of the Africa and Asia and all or part of any other continent. The main empires in Europe were: the British Empire which before the WW1 changed England from a monarchy to a parliamentary democracy. Also, Germany which was divided into small countries, at this time unified and become a strong
After the Spanish war the U.S. imperial power created the colonial empire in both the Caribbean and the Pacific Ocean. During the 19th century also the European countries defined their own wealth and power by imperialism, so by the colonial possessions and the ability to maintain or increase the empire. The Europeans owned most of the Africa and Asia and all or part of any other continent. The main empires in Europe were: the British Empire which before the WW1 changed England from a monarchy to a parliamentary democracy. Also, Germany which was divided into small countries, at this time unified and become a strong