Discuss the historical and cultural events that shaped human thought in the late nineteenth and early twentieth centuries

In an essay of 400 to 800 words (with a typical font and spacing, this will be approximately 1-1/2 to 3 pages), respond to the following question:

Discuss the historical and cultural events that shaped human thought in the late nineteenth and early twentieth centuries( Our lectures covered Totalitarianism and World War I). Briefly cover Marx, Darwin, Freud, Nietzsche, and Dostoevsky, moving into the period of the twentieth century. What relationship do scientific developments have with these philosophical changes?