The invention

Plastic



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Time period Year Why
Before World War 2 1930-1936 Plastic allowed women to give up heavy wool or expensive silk stockings and buy nylon stockings instead. Moive sets also used them for white backdrop
During World War 2 1939-1945 Plastic started being used for materials since it was light-weight. They were used for ropes and parachutes. The United States invested in plastic and giving over 1 billion dollars to private companys for plastic
Post war 1960-1980 Plastic was starting to become part of our daily lifes. Companys started to use plastic because it was cheap and was sturdy. It surpassed every other materials. It was starting to be used in bags, Bottles, and packaging