The optimism at the turn of the century foster a greater sense of nationalism in European and non-European countries for several reasons. The sharing of ideas made people proud of where they came from. If a good idea came from Britain, the British people were proud of their countries good idea. Racism also played somewhat of a role in the nationalism of a country. Another cause for nationalism at the turn of the century was imperialism.
There was great optimism at the turn of the century due to the amazing technological advances in the 19th century. People could only look ahead with glee to the possibilities that may come with the new century. This brought people together. The inventors and scientists from a certain country would work together so they could invent and put out new ideas first and gain their country more prestige. The people would boast of how smart and how their country was so much more advanced and it brought the people together.
Racism has played a huge role in almost all of modern history. During this period, race was a way to define a people and who belonged to which nation and culture. In America, cultures from other nations which immigrated to America generally stuck together. The Italians created Italian communities. The Irish created Irish communities. The communities had a sense of their homelands national pride, but celebrated the freedoms of America. They did not mix with other cultures because they did not want to mix their culture with a less important, less worthy culture from another area. The Anglo-Saxon Americans did not want to mix with the African Americans so they passed a series of "Jim Crow Laws" to keep African Americans away from white Americans.
Imperialism brought to two groups together. The...