Negative: 1  Pollution increased, working conditions were harmful, and with the employed of women and young children, making them work long and hard hours. 2  From the time of its start, the factories and industry has increased the amount of carbon dioxide in the atmosphere by two-folds.
Causes of the Cold War. Cite This Source. Causes of the Cold War Summary & Analysis. In 1945, the United States and Soviet Union were allies, jointly triumphant in World War II, which ended with total victory for Soviet and American forces over Adolf Hitler's Nazi empire in Europe.
There are several excellent answers below this answer. I believe the Cold War started on the Soviet side between the second and sixth of March in 1919, when Lenin established the Third International. The central policy of the Comintern under Lenin's leadership was that Communist parties should be established across the world to aid the international proletarian revolution.