What discovery in the last 100 years has been most beneficial for people?

What discovery in the last 100 years has been most beneficial for people in your country? Use specific reasons and examples to support your choice.

In general, world has seen many discoveries in the last hundred years. To be specific in my country, India whose 70% economy depends on agriculture, has seen a tremendous growth in farming due to discovery of cultivating vehicle called Tractor. Tractor is one of the important inventions, in my view, in improving agricultural needs of my country.

First of all, tractors have saved a lot of time in cultivation of the land. In the past, farmers used to prepare the land for cultivation from fertilization till the cutting of crops. The single procedure used to take around a month to finish one step. The farmers had to spend full time of the year behind farming. Now tractors has replaced all manual works and made easy for farmers to do farming. They can also utilize some free time in doing part time jobs to manage their financial condition. Thus, tractors are an important discovery in saving time.
Along with time, tractors have reduced man power for farming a land. In time of my grandparents, they needed to hire some people from outside to do farming as it used to take a lot time to prepare a land alone or with family. They had to pay some money to them whatever they used to get after selling the crop. They were not able to save extra money even after tons of hard work. Tractors have solved that problem as they are one time investment. They have saved money and efforts of peoples also.

Lastly, tractor has eliminated use of domestic animals. People used to use horses, oxen for cultivating land. It was very lengthy and time consuming process. Another important thing is over usage of domestic animals. Animals were also used to suffer from hard work. They had to carry large weights on their back. So tractors have made them relax. Farmers are also now free of carrying their responsibility to feed them and to provide them shelter. In this way, tractors are important to my country’s farmers.

In conclusion, tractors save time, money, and reduce human and animals efforts to do farming. So farmers can grow many different crops in suitable seasons, which aid in growing agricultural economy of my country. Thus, I believe tractor is an essential discovery for my country in the past 100 years.

TOEFL listening discussions: Where does this conversation probably take place?

Hi Kattie, to me a tractor is an invention, not a discovery. You invent something that did not exist before, but you discover something that has always existed, like electricity or nuclear fission. Still, I don’t think that is a big problem here, as I think the prompt is really talking about inventions. I liked your topic and your have some good examples to support your reasons, but your first body paragraph was very confusing to me. I guess it just didn’t seem as clear and natural sounding as some of your other recent essays. I am afraid I can only rate this one a 3 out of 5.