Question

The word "mechanization" is essential to understanding the history of agriculture.

Which sentence from the article BEST helps to explain what "mechanization" means?'

1. "The first successful engine powered by gasoline was developed."

2."Mechanization on the farm also played a large role."

3."Much of this growth was due to improved breeding methods."

4."That was when a variety of machines came rapidly into use."

Answer 1

And your answer is?

Have you looked mechanization up in a dictionary?