You're considering sociology as your major. you've looked through the course catalog and learned that there is a sociology major available at your school. examining the course catalog is an example of

What is the main question is what the statement is asking

The changes to agriculture in the united states since 1900 is that increased mechanization has increased food production, thereby increasing the need for labor. there has been an increased need for higher speeds of food production due the fact that the population in the united states continues to rise.