How did early hunters and gatherers obtain their food

They would eat wild berries, fruit, some grains, plants, and roots. Early man would get there food by hunting in big groups. They would use sharp bones, sticks, and rocks for creating tools. Cultures in which human beings obtain their food by hunting, fishing, scavenging, and gathering wild plants and other edibles. It is probable that generally, the men hunted while the women foraged.

The  ancient egyptians  who  built the pyramids  may have been  able  to move massive stone blocks across the desert by wetting the sand in front of a contraption  built  to pull the heavy objects