Question

1. Why
are the machines used for farming in USA ?​

Answer 1

Answer:

THE CORRECT ANSWER IS TO REDUCE THE WORK OF A LABOUR

Answer 2

Answer:

Tillage implements prepare the soil for planting by loosening the soil and killing weeds or competing plants. ... Plows are now used less frequently in the U.S. than formerly, with offset disks used instead to turn over the soil, and chisels used to gain the depth needed to retain moisture.