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.
The historians have so far not reached any agreement on the time in which the Cold War began. It is, however, quite safe to say that since 1947 when President Truman of the United States declared an anti-communist policy, the Cold War between the United States and the Soviet Union has begun.