Answer:
plow
Step-by-step explanation:
Thanks to this tool ,the innovation made possible a food surplus.
The plow revolutionized farming. By 3500 B.C.E., Egyptians used to turn the soil using an iron-tipped, wooden wedge-shaped devicepulled by animals like oxen. Once the plow, became available early farmers were enabled to till more land in shorter periods than before, thus allowing them to produce more crops faster.
Plows changed agricultural production ever since. When used ,the farming tool used to prepare soil for plant seeds by loosening then turning it up, revolutionized farming in old times.
Plows allow farmers to shorten their production quota down greatly and it makes soil in the preferable conditions for further harvesting.