Answer :
During the 18th and 19th century, Britain and the rest of Europe saw an increase in the development of new technology and how it affected the crop productivity by increasing it. This period of time is known as The Agricultural Revolution.
One of the factors responsible for The Agricultural Revolution was the availability of new farming land. This happened due to the use of new technologies, that made possible the use of lands that were previously not fitted for farming.
The second factor was the good climate that helped with the good development of the crops.
The use of new fertilizers gave more endurance to the fields use for farming. This factor also contributed to the 4th factor which is the appearence of more livestock.