During the first Agricultural Revolution, in 10,000BC were the first crops ever planted, which were Grains. Harvesting grains would help farmers eat, and survive.
In the second Industrial Revolution, occurred during the 1700's and 1900's, also known as the industrial revolution, was when they first began with farm equipment, farm equipment made planting and harvesting crops much easier.
In the third Agricultural Revolution occurred during the 1970's and 1980's. The third Agricultural Revolution was also known as the green Revolution to help eliminate world hunger, by planting and harvesting more plants like wheat.
Genetically modified organisms are the result of a laboratory process where genes from the DNA of one species are extracted and artificially forced into the genes of an unrelated plant or animal. By using Genetically Modified Organisms farming has become easier because it helps crops grow faster and become bigger.