What Factors Contributed to Britain's Agricultural Revolution in the 1700s

What factors contributed to Britain's agricultural revolution in the 1700s?

A) The selective breeding of animals, the planting of fodder crops, and an increase in the amount of land under cultivation
B) The discovery of new chemical agents that were more effective at reducing the impact of pests on crops
C) The invention of new machinery, particularly plows and reapers, which improved agricultural efficiency
D) The introduction of new crops imported from the New World, particularly potatoes and corn