At the turn of the twentieth century, optimism fostered a greater sense of nationalism in both European and non-European countries in three ways, the development of arts, sports, and press, medical and scientific advances, and economic improvement. Although there were many other contributing factors to the optimism, which fostered nationalism, these are the three main causes. All three were needed to promote the great optimism that was held.
The first way in which optimism fostered nationalism at the turn of the century was the development of arts and science. At the turn of the century,