A vacuole is a membrane-bound organelle which is present in all plant and fungal cells and some protist, animal and bacterial cells. Vacuoles are essentially enclosed compartments which are filled with water containing inorganic and organic molecules including enzymes in solution, though in certain cases they may contain solids which have been engulfed.
The Catholic Church suppressed many ideas of the Scientific Revolution and they even excommunicated Galileo for saying that the earth revolved around the sun
It was considered the first modern war because it was the first war after the industrial revolution. More technology was invented and modern weapons were used. It was the war that transformed our country.