its definitely plastics. from 3000 bc (dawn of glass) to 1950 ad everything was made of glass. glass jars for food, glass drinkware, milk in glasses and not cartons, glass was used for containers, everything.  now everything is single use plastic . everything is shitty reciept paper that leeches into skin by touch. plastic bags, plastic food, plastic milk, plastic plastic plastic plastic everything.
United States