Answer:
Vatican II alowed Eucharist to be received in the hand as an option to reception on the tongue; also, the precious blood in the form of wine was offered tot he peiople, befor etaht only the priest would partake.
It was a return to the early church when all members received both bread and wine.
some churches would use leavened baked breads, but this was later forbidden as unleavened wheat only is the norm.