1. What observations and evidence did Darwin collect during his voyage around the world that influenced his theory?

2. What is natural selection and how does it explain evolutionary change in species?

3. How did Thomas Malthus's ideas about population and resources influence Darwin's theory of evolution?

1. What did Darwin argue in The Descent of Man about human origins and why did this shock Victorian society?

2. Why did Darwin's emphasis on evidence appeal to professional scientists despite religious objections to his theory?

1. How did Social Darwinists use the concept of "survival of the fittest" to justify class inequality and oppose government assistance?

2. How did Social Darwinism support political conservatism and laissez-faire economic policies?

1. How did Social Darwinists use ideas about biological and cultural superiority to justify imperialism and racism?

1. What was eugenics and how did it emerge from Social Darwinist ideas about improving the human race?

2. How did Social Darwinism and eugenics influence Nazi ideology and policies in the 20th century?