In the period of the ancient man the men used to get their food by hunting animals.

they used very very old and simple wepons such as a spear and rocks.

water

One of the ways to get water in those days was:

the women were  going to the river and taking some water from it and sometimes showering in it.

Between 1940-1950 the supermarkets started to develop by selling diffrent kinds of food.

and the people are buying their food instead of hunting it.