The widespread sentiment that influenced the rise of totalitarianism was a fear of instability and the rise of nationalism in countries like Germany and Italy. Authoritarian leaders crystallized the notion that a singular leader, a strong military, limited dissent and nationalism were the ingredients necessary for a strong state. This became a normative framework in Germany and Italy.
The world saw a major increase in population, which, along with an increase in living standards, led to the depletion of natural resources. The use of chemicals and fuel in factories resulted in increased air and water pollution and an increased use of fossil fuels.