Agriculture has been one of the most important industries throughout the history of the United States. Over time, technological innovation in agriculture has allowed the agricultural industry to continue to be an essential industry in the United States.

Click on each on the time periods below to learn more about the changes to the U.S. agricultural industry.

A tremendous impact of the agricultural industry to the U.S. economy is the number of people that farmers supply each year.

Now that you have examined the technological changes in agriculture over time, determine how these changes have directly impacted American society. By using the information on the timeline, you will plot the information on the graph below.

Review the information on the timeline above (1920-2000) and determine how many people farmers supplied throughout each decade. Drag that number to the corresponding year on the chart below. (Hint: round your answer up to the nearest whole number.)